646773840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 240

約数和(自身を含む): 2345595408

約数和(自身を除く): 1698821568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 53, 60, 68, 72, 80, 85, 90, 102, 106, 120, 136, 144, 153, 159, 170, 180, 204, 212, 240, 255, 265, 272, 306, 318, 340, 360, 408, 424, 477, 510, 530, 612, 636, 680, 720, 765, 795, 816, 848, 901, 954, 997, 1020, 1060, 1224, 1272, 1360, 1530, 1590, 1802, 1908, 1994, 2040, 2120, 2385, 2448, 2544, 2703, 2991, 3060, 3180, 3604, 3816, 3988, 4080, 4240, 4505, 4770, 4985, 5406, 5982, 6120, 6360, 7208, 7632, 7976, 8109, 8973, 9010, 9540, 9970, 10812, 11964, 12240, 12720, 13515, 14416, 14955, 15952, 16218, 16949, 17946, 18020, 19080, 19940, 21624, 23928, 27030, 29910, 32436, 33898, 35892, 36040, 38160, 39880, 40545, 43248, 44865, 47856, 50847, 52841, 54060, 59820, 64872, 67796, 71784, 72080, 79760, 81090, 84745, 89730, 101694, 105682, 108120, 119640, 129744, 135592, 143568, 152541, 158523, 162180, 169490, 179460, 203388, 211364, 216240, 239280, 254235, 264205, 271184, 305082, 317046, 324360, 338980, 358920, 406776, 422728, 475569, 508470, 528410, 610164, 634092, 648720, 677960, 717840, 762705, 792615, 813552, 845456, 898297, 951138, 1016940, 1056820, 1220328, 1268184, 1355920, 1525410, 1585230, 1796594, 1902276, 2033880, 2113640, 2377845, 2440656, 2536368, 2694891, 3050820, 3170460, 3593188, 3804552, 4067760, 4227280, 4491485, 4755690, 5389782, 6101640, 6340920, 7186376, 7609104, 8084673, 8982970, 9511380, 10779564, 12203280, 12681840, 13474455, 14372752, 16169346, 17965940, 19022760, 21559128, 26948910, 32338692, 35931880, 38045520, 40423365, 43118256, 53897820, 64677384, 71863760, 80846730, 107795640, 129354768, 161693460, 215591280, 323386920, 646773840]

約数ペア:

[(1, 646773840), (2, 323386920), (3, 215591280), (4, 161693460), (5, 129354768), (6, 107795640), (8, 80846730), (9, 71863760), (10, 64677384), (12, 53897820), (15, 43118256), (16, 40423365), (17, 38045520), (18, 35931880), (20, 32338692), (24, 26948910), (30, 21559128), (34, 19022760), (36, 17965940), (40, 16169346), (45, 14372752), (48, 13474455), (51, 12681840), (53, 12203280), (60, 10779564), (68, 9511380), (72, 8982970), (80, 8084673), (85, 7609104), (90, 7186376), (102, 6340920), (106, 6101640), (120, 5389782), (136, 4755690), (144, 4491485), (153, 4227280), (159, 4067760), (170, 3804552), (180, 3593188), (204, 3170460), (212, 3050820), (240, 2694891), (255, 2536368), (265, 2440656), (272, 2377845), (306, 2113640), (318, 2033880), (340, 1902276), (360, 1796594), (408, 1585230), (424, 1525410), (477, 1355920), (510, 1268184), (530, 1220328), (612, 1056820), (636, 1016940), (680, 951138), (720, 898297), (765, 845456), (795, 813552), (816, 792615), (848, 762705), (901, 717840), (954, 677960), (997, 648720), (1020, 634092), (1060, 610164), (1224, 528410), (1272, 508470), (1360, 475569), (1530, 422728), (1590, 406776), (1802, 358920), (1908, 338980), (1994, 324360), (2040, 317046), (2120, 305082), (2385, 271184), (2448, 264205), (2544, 254235), (2703, 239280), (2991, 216240), (3060, 211364), (3180, 203388), (3604, 179460), (3816, 169490), (3988, 162180), (4080, 158523), (4240, 152541), (4505, 143568), (4770, 135592), (4985, 129744), (5406, 119640), (5982, 108120), (6120, 105682), (6360, 101694), (7208, 89730), (7632, 84745), (7976, 81090), (8109, 79760), (8973, 72080), (9010, 71784), (9540, 67796), (9970, 64872), (10812, 59820), (11964, 54060), (12240, 52841), (12720, 50847), (13515, 47856), (14416, 44865), (14955, 43248), (15952, 40545), (16218, 39880), (16949, 38160), (17946, 36040), (18020, 35892), (19080, 33898), (19940, 32436), (21624, 29910), (23928, 27030)]