1878947200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 5274974880

約数和(自身を除く): 3396027680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 47, 50, 52, 62, 64, 65, 80, 94, 100, 104, 124, 128, 130, 155, 160, 188, 200, 208, 235, 248, 260, 310, 320, 325, 376, 400, 403, 416, 470, 496, 520, 611, 620, 640, 650, 752, 775, 800, 806, 832, 940, 961, 992, 1040, 1175, 1222, 1240, 1300, 1457, 1504, 1550, 1600, 1612, 1664, 1880, 1922, 1984, 2015, 2080, 2350, 2444, 2480, 2600, 2914, 3008, 3055, 3100, 3200, 3224, 3760, 3844, 3968, 4030, 4160, 4700, 4805, 4888, 4960, 5200, 5828, 6016, 6110, 6200, 6448, 7285, 7520, 7688, 8060, 8320, 9400, 9610, 9776, 9920, 10075, 10400, 11656, 12220, 12400, 12493, 12896, 14570, 15040, 15275, 15376, 16120, 18800, 18941, 19220, 19552, 19840, 20150, 20800, 23312, 24025, 24440, 24800, 24986, 25792, 29140, 30080, 30550, 30752, 32240, 36425, 37600, 37882, 38440, 39104, 40300, 41600, 45167, 46624, 48050, 48880, 49600, 49972, 51584, 58280, 61100, 61504, 62465, 64480, 72850, 75200, 75764, 76880, 78208, 80600, 90334, 93248, 94705, 96100, 97760, 99200, 99944, 116560, 122200, 123008, 124930, 128960, 145700, 150400, 151528, 153760, 161200, 180668, 186496, 189410, 192200, 195520, 199888, 225835, 233120, 244400, 249860, 257920, 291400, 303056, 307520, 312325, 322400, 361336, 378820, 384400, 391040, 399776, 451670, 466240, 473525, 488800, 499720, 582800, 587171, 606112, 615040, 624650, 644800, 722672, 757640, 768800, 799552, 903340, 932480, 947050, 977600, 999440, 1129175, 1165600, 1174342, 1212224, 1249300, 1289600, 1445344, 1515280, 1537600, 1599104, 1806680, 1894100, 1955200, 1998880, 2258350, 2331200, 2348684, 2424448, 2498600, 2890688, 2935855, 3030560, 3075200, 3613360, 3788200, 3997760, 4516700, 4662400, 4697368, 4997200, 5781376, 5871710, 6061120, 7226720, 7576400, 7995520, 9033400, 9394736, 9994400, 11743420, 12122240, 14453440, 14679275, 15152800, 18066800, 18789472, 19988800, 23486840, 28906880, 29358550, 30305600, 36133600, 37578944, 39977600, 46973680, 58717100, 60611200, 72267200, 75157888, 93947360, 117434200, 144534400, 187894720, 234868400, 375789440, 469736800, 939473600, 1878947200]

約数ペア:

[(1, 1878947200), (2, 939473600), (4, 469736800), (5, 375789440), (8, 234868400), (10, 187894720), (13, 144534400), (16, 117434200), (20, 93947360), (25, 75157888), (26, 72267200), (31, 60611200), (32, 58717100), (40, 46973680), (47, 39977600), (50, 37578944), (52, 36133600), (62, 30305600), (64, 29358550), (65, 28906880), (80, 23486840), (94, 19988800), (100, 18789472), (104, 18066800), (124, 15152800), (128, 14679275), (130, 14453440), (155, 12122240), (160, 11743420), (188, 9994400), (200, 9394736), (208, 9033400), (235, 7995520), (248, 7576400), (260, 7226720), (310, 6061120), (320, 5871710), (325, 5781376), (376, 4997200), (400, 4697368), (403, 4662400), (416, 4516700), (470, 3997760), (496, 3788200), (520, 3613360), (611, 3075200), (620, 3030560), (640, 2935855), (650, 2890688), (752, 2498600), (775, 2424448), (800, 2348684), (806, 2331200), (832, 2258350), (940, 1998880), (961, 1955200), (992, 1894100), (1040, 1806680), (1175, 1599104), (1222, 1537600), (1240, 1515280), (1300, 1445344), (1457, 1289600), (1504, 1249300), (1550, 1212224), (1600, 1174342), (1612, 1165600), (1664, 1129175), (1880, 999440), (1922, 977600), (1984, 947050), (2015, 932480), (2080, 903340), (2350, 799552), (2444, 768800), (2480, 757640), (2600, 722672), (2914, 644800), (3008, 624650), (3055, 615040), (3100, 606112), (3200, 587171), (3224, 582800), (3760, 499720), (3844, 488800), (3968, 473525), (4030, 466240), (4160, 451670), (4700, 399776), (4805, 391040), (4888, 384400), (4960, 378820), (5200, 361336), (5828, 322400), (6016, 312325), (6110, 307520), (6200, 303056), (6448, 291400), (7285, 257920), (7520, 249860), (7688, 244400), (8060, 233120), (8320, 225835), (9400, 199888), (9610, 195520), (9776, 192200), (9920, 189410), (10075, 186496), (10400, 180668), (11656, 161200), (12220, 153760), (12400, 151528), (12493, 150400), (12896, 145700), (14570, 128960), (15040, 124930), (15275, 123008), (15376, 122200), (16120, 116560), (18800, 99944), (18941, 99200), (19220, 97760), (19552, 96100), (19840, 94705), (20150, 93248), (20800, 90334), (23312, 80600), (24025, 78208), (24440, 76880), (24800, 75764), (24986, 75200), (25792, 72850), (29140, 64480), (30080, 62465), (30550, 61504), (30752, 61100), (32240, 58280), (36425, 51584), (37600, 49972), (37882, 49600), (38440, 48880), (39104, 48050), (40300, 46624), (41600, 45167)]