645873840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1592

約数の個数: 240

約数和(自身を含む): 2358420480

約数和(自身を除く): 1712546640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1523, 1710, 1767, 1860, 2232, 2280, 2356, 2480, 2736, 2790, 2945, 3046, 3420, 3534, 3720, 4464, 4560, 4569, 4712, 5301, 5580, 5890, 6092, 6840, 7068, 7440, 7615, 8835, 9138, 9424, 10602, 11160, 11780, 12184, 13680, 13707, 14136, 15230, 17670, 18276, 21204, 22320, 22845, 23560, 24368, 26505, 27414, 28272, 28937, 30460, 35340, 36552, 42408, 45690, 47120, 47213, 53010, 54828, 57874, 60920, 68535, 70680, 73104, 84816, 86811, 91380, 94426, 106020, 109656, 115748, 121840, 137070, 141360, 141639, 144685, 173622, 182760, 188852, 212040, 219312, 231496, 236065, 260433, 274140, 283278, 289370, 347244, 365520, 377704, 424080, 424917, 434055, 462992, 472130, 520866, 548280, 566556, 578740, 694488, 708195, 755408, 849834, 868110, 897047, 944260, 1041732, 1096560, 1133112, 1157480, 1302165, 1388976, 1416390, 1699668, 1736220, 1794094, 1888520, 2083464, 2124585, 2266224, 2314960, 2604330, 2691141, 2832780, 3399336, 3472440, 3588188, 3777040, 4166928, 4249170, 4485235, 5208660, 5382282, 5665560, 6798672, 6944880, 7176376, 8073423, 8498340, 8970470, 10417320, 10764564, 11331120, 13455705, 14352752, 16146846, 16996680, 17940940, 20834640, 21529128, 26911410, 32293692, 33993360, 35881880, 40367115, 43058256, 53822820, 64587384, 71763760, 80734230, 107645640, 129174768, 161468460, 215291280, 322936920, 645873840]

約数ペア:

[(1, 645873840), (2, 322936920), (3, 215291280), (4, 161468460), (5, 129174768), (6, 107645640), (8, 80734230), (9, 71763760), (10, 64587384), (12, 53822820), (15, 43058256), (16, 40367115), (18, 35881880), (19, 33993360), (20, 32293692), (24, 26911410), (30, 21529128), (31, 20834640), (36, 17940940), (38, 16996680), (40, 16146846), (45, 14352752), (48, 13455705), (57, 11331120), (60, 10764564), (62, 10417320), (72, 8970470), (76, 8498340), (80, 8073423), (90, 7176376), (93, 6944880), (95, 6798672), (114, 5665560), (120, 5382282), (124, 5208660), (144, 4485235), (152, 4249170), (155, 4166928), (171, 3777040), (180, 3588188), (186, 3472440), (190, 3399336), (228, 2832780), (240, 2691141), (248, 2604330), (279, 2314960), (285, 2266224), (304, 2124585), (310, 2083464), (342, 1888520), (360, 1794094), (372, 1736220), (380, 1699668), (456, 1416390), (465, 1388976), (496, 1302165), (558, 1157480), (570, 1133112), (589, 1096560), (620, 1041732), (684, 944260), (720, 897047), (744, 868110), (760, 849834), (855, 755408), (912, 708195), (930, 694488), (1116, 578740), (1140, 566556), (1178, 548280), (1240, 520866), (1368, 472130), (1395, 462992), (1488, 434055), (1520, 424917), (1523, 424080), (1710, 377704), (1767, 365520), (1860, 347244), (2232, 289370), (2280, 283278), (2356, 274140), (2480, 260433), (2736, 236065), (2790, 231496), (2945, 219312), (3046, 212040), (3420, 188852), (3534, 182760), (3720, 173622), (4464, 144685), (4560, 141639), (4569, 141360), (4712, 137070), (5301, 121840), (5580, 115748), (5890, 109656), (6092, 106020), (6840, 94426), (7068, 91380), (7440, 86811), (7615, 84816), (8835, 73104), (9138, 70680), (9424, 68535), (10602, 60920), (11160, 57874), (11780, 54828), (12184, 53010), (13680, 47213), (13707, 47120), (14136, 45690), (15230, 42408), (17670, 36552), (18276, 35340), (21204, 30460), (22320, 28937), (22845, 28272), (23560, 27414), (24368, 26505)]