2178579840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:425

約数の個数: 256

約数和(自身を含む): 7191244800

約数和(自身を除く): 5012664960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 79, 80, 96, 106, 120, 128, 158, 159, 160, 192, 212, 237, 240, 265, 271, 316, 318, 320, 384, 395, 424, 474, 480, 530, 542, 632, 636, 640, 790, 795, 813, 848, 948, 960, 1060, 1084, 1185, 1264, 1272, 1355, 1580, 1590, 1626, 1696, 1896, 1920, 2120, 2168, 2370, 2528, 2544, 2710, 3160, 3180, 3252, 3392, 3792, 4065, 4187, 4240, 4336, 4740, 5056, 5088, 5420, 6320, 6360, 6504, 6784, 7584, 8130, 8374, 8480, 8672, 9480, 10112, 10176, 10840, 12561, 12640, 12720, 13008, 14363, 15168, 16260, 16748, 16960, 17344, 18960, 20352, 20935, 21409, 21680, 25122, 25280, 25440, 26016, 28726, 30336, 32520, 33496, 33920, 34688, 37920, 41870, 42818, 43089, 43360, 50244, 50560, 50880, 52032, 57452, 62805, 64227, 65040, 66992, 71815, 75840, 83740, 85636, 86178, 86720, 100488, 101760, 104064, 107045, 114904, 125610, 128454, 130080, 133984, 143630, 151680, 167480, 171272, 172356, 173440, 200976, 214090, 215445, 229808, 251220, 256908, 260160, 267968, 287260, 321135, 334960, 342544, 344712, 401952, 428180, 430890, 459616, 502440, 513816, 520320, 535936, 574520, 642270, 669920, 685088, 689424, 803904, 856360, 861780, 919232, 1004880, 1027632, 1134677, 1149040, 1284540, 1339840, 1370176, 1378848, 1607808, 1712720, 1723560, 1838464, 2009760, 2055264, 2269354, 2298080, 2569080, 2679680, 2740352, 2757696, 3404031, 3425440, 3447120, 4019520, 4110528, 4538708, 4596160, 5138160, 5515392, 5673385, 6808062, 6850880, 6894240, 8039040, 8221056, 9077416, 9192320, 10276320, 11346770, 13616124, 13701760, 13788480, 17020155, 18154832, 20552640, 22693540, 27232248, 27576960, 34040310, 36309664, 41105280, 45387080, 54464496, 68080620, 72619328, 90774160, 108928992, 136161240, 145238656, 181548320, 217857984, 272322480, 363096640, 435715968, 544644960, 726193280, 1089289920, 2178579840]

約数ペア:

[(1, 2178579840), (2, 1089289920), (3, 726193280), (4, 544644960), (5, 435715968), (6, 363096640), (8, 272322480), (10, 217857984), (12, 181548320), (15, 145238656), (16, 136161240), (20, 108928992), (24, 90774160), (30, 72619328), (32, 68080620), (40, 54464496), (48, 45387080), (53, 41105280), (60, 36309664), (64, 34040310), (79, 27576960), (80, 27232248), (96, 22693540), (106, 20552640), (120, 18154832), (128, 17020155), (158, 13788480), (159, 13701760), (160, 13616124), (192, 11346770), (212, 10276320), (237, 9192320), (240, 9077416), (265, 8221056), (271, 8039040), (316, 6894240), (318, 6850880), (320, 6808062), (384, 5673385), (395, 5515392), (424, 5138160), (474, 4596160), (480, 4538708), (530, 4110528), (542, 4019520), (632, 3447120), (636, 3425440), (640, 3404031), (790, 2757696), (795, 2740352), (813, 2679680), (848, 2569080), (948, 2298080), (960, 2269354), (1060, 2055264), (1084, 2009760), (1185, 1838464), (1264, 1723560), (1272, 1712720), (1355, 1607808), (1580, 1378848), (1590, 1370176), (1626, 1339840), (1696, 1284540), (1896, 1149040), (1920, 1134677), (2120, 1027632), (2168, 1004880), (2370, 919232), (2528, 861780), (2544, 856360), (2710, 803904), (3160, 689424), (3180, 685088), (3252, 669920), (3392, 642270), (3792, 574520), (4065, 535936), (4187, 520320), (4240, 513816), (4336, 502440), (4740, 459616), (5056, 430890), (5088, 428180), (5420, 401952), (6320, 344712), (6360, 342544), (6504, 334960), (6784, 321135), (7584, 287260), (8130, 267968), (8374, 260160), (8480, 256908), (8672, 251220), (9480, 229808), (10112, 215445), (10176, 214090), (10840, 200976), (12561, 173440), (12640, 172356), (12720, 171272), (13008, 167480), (14363, 151680), (15168, 143630), (16260, 133984), (16748, 130080), (16960, 128454), (17344, 125610), (18960, 114904), (20352, 107045), (20935, 104064), (21409, 101760), (21680, 100488), (25122, 86720), (25280, 86178), (25440, 85636), (26016, 83740), (28726, 75840), (30336, 71815), (32520, 66992), (33496, 65040), (33920, 64227), (34688, 62805), (37920, 57452), (41870, 52032), (42818, 50880), (43089, 50560), (43360, 50244)]