20090281600

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 288

約数和(自身を含む): 52749748800

約数和(自身を除く): 32659467200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 47, 50, 62, 64, 80, 94, 100, 124, 128, 139, 155, 160, 188, 200, 235, 248, 278, 310, 320, 376, 400, 470, 496, 556, 620, 640, 695, 752, 775, 800, 940, 961, 992, 1112, 1175, 1240, 1390, 1457, 1504, 1550, 1600, 1880, 1922, 1984, 2224, 2350, 2480, 2780, 2914, 3008, 3100, 3200, 3475, 3760, 3844, 3968, 4309, 4448, 4700, 4805, 4960, 5560, 5828, 6016, 6200, 6533, 6950, 7285, 7520, 7688, 8618, 8896, 9400, 9610, 9920, 11120, 11656, 12400, 13066, 13900, 14570, 15040, 15376, 17236, 17792, 18800, 19220, 19840, 21545, 22240, 23312, 24025, 24800, 26132, 27800, 29140, 30080, 30752, 32665, 34472, 36425, 37600, 38440, 43090, 44480, 45167, 46624, 48050, 49600, 52264, 55600, 58280, 61504, 65330, 68944, 72850, 75200, 76880, 86180, 88960, 90334, 93248, 96100, 99200, 104528, 107725, 111200, 116560, 123008, 130660, 133579, 137888, 145700, 150400, 153760, 163325, 172360, 180668, 186496, 192200, 202523, 209056, 215450, 222400, 225835, 233120, 261320, 267158, 275776, 291400, 307520, 326650, 344720, 361336, 384400, 405046, 418112, 430900, 444800, 451670, 466240, 522640, 534316, 551552, 582800, 615040, 653300, 667895, 689440, 722672, 768800, 810092, 836224, 861800, 903340, 932480, 1012615, 1045280, 1068632, 1129175, 1165600, 1306600, 1335790, 1378880, 1445344, 1537600, 1620184, 1723600, 1806680, 2025230, 2090560, 2137264, 2258350, 2331200, 2613200, 2671580, 2757760, 2890688, 3075200, 3240368, 3339475, 3447200, 3613360, 4050460, 4181120, 4274528, 4516700, 4662400, 5063075, 5226400, 5343160, 5781376, 6278213, 6480736, 6678950, 6894400, 7226720, 8100920, 8549056, 9033400, 10126150, 10452800, 10686320, 12556426, 12961472, 13357900, 13788800, 14453440, 16201840, 17098112, 18066800, 20252300, 20905600, 21372640, 25112852, 25922944, 26715800, 28906880, 31391065, 32403680, 36133600, 40504600, 42745280, 50225704, 53431600, 62782130, 64807360, 72267200, 81009200, 85490560, 100451408, 106863200, 125564260, 129614720, 144534400, 156955325, 162018400, 200902816, 213726400, 251128520, 313910650, 324036800, 401805632, 427452800, 502257040, 627821300, 648073600, 803611264, 1004514080, 1255642600, 2009028160, 2511285200, 4018056320, 5022570400, 10045140800, 20090281600]

約数ペア:

[(1, 20090281600), (2, 10045140800), (4, 5022570400), (5, 4018056320), (8, 2511285200), (10, 2009028160), (16, 1255642600), (20, 1004514080), (25, 803611264), (31, 648073600), (32, 627821300), (40, 502257040), (47, 427452800), (50, 401805632), (62, 324036800), (64, 313910650), (80, 251128520), (94, 213726400), (100, 200902816), (124, 162018400), (128, 156955325), (139, 144534400), (155, 129614720), (160, 125564260), (188, 106863200), (200, 100451408), (235, 85490560), (248, 81009200), (278, 72267200), (310, 64807360), (320, 62782130), (376, 53431600), (400, 50225704), (470, 42745280), (496, 40504600), (556, 36133600), (620, 32403680), (640, 31391065), (695, 28906880), (752, 26715800), (775, 25922944), (800, 25112852), (940, 21372640), (961, 20905600), (992, 20252300), (1112, 18066800), (1175, 17098112), (1240, 16201840), (1390, 14453440), (1457, 13788800), (1504, 13357900), (1550, 12961472), (1600, 12556426), (1880, 10686320), (1922, 10452800), (1984, 10126150), (2224, 9033400), (2350, 8549056), (2480, 8100920), (2780, 7226720), (2914, 6894400), (3008, 6678950), (3100, 6480736), (3200, 6278213), (3475, 5781376), (3760, 5343160), (3844, 5226400), (3968, 5063075), (4309, 4662400), (4448, 4516700), (4700, 4274528), (4805, 4181120), (4960, 4050460), (5560, 3613360), (5828, 3447200), (6016, 3339475), (6200, 3240368), (6533, 3075200), (6950, 2890688), (7285, 2757760), (7520, 2671580), (7688, 2613200), (8618, 2331200), (8896, 2258350), (9400, 2137264), (9610, 2090560), (9920, 2025230), (11120, 1806680), (11656, 1723600), (12400, 1620184), (13066, 1537600), (13900, 1445344), (14570, 1378880), (15040, 1335790), (15376, 1306600), (17236, 1165600), (17792, 1129175), (18800, 1068632), (19220, 1045280), (19840, 1012615), (21545, 932480), (22240, 903340), (23312, 861800), (24025, 836224), (24800, 810092), (26132, 768800), (27800, 722672), (29140, 689440), (30080, 667895), (30752, 653300), (32665, 615040), (34472, 582800), (36425, 551552), (37600, 534316), (38440, 522640), (43090, 466240), (44480, 451670), (45167, 444800), (46624, 430900), (48050, 418112), (49600, 405046), (52264, 384400), (55600, 361336), (58280, 344720), (61504, 326650), (65330, 307520), (68944, 291400), (72850, 275776), (75200, 267158), (76880, 261320), (86180, 233120), (88960, 225835), (90334, 222400), (93248, 215450), (96100, 209056), (99200, 202523), (104528, 192200), (107725, 186496), (111200, 180668), (116560, 172360), (123008, 163325), (130660, 153760), (133579, 150400), (137888, 145700)]