2055556680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2039}}^1$

素因数の和:2355

約数の個数: 128

約数和(自身を含む): 6392217600

約数和(自身を除く): 4336660920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 271, 310, 372, 465, 542, 620, 744, 813, 930, 1084, 1240, 1355, 1626, 1860, 2039, 2168, 2710, 3252, 3720, 4065, 4078, 5420, 6117, 6504, 8130, 8156, 8401, 10195, 10840, 12234, 16260, 16312, 16802, 20390, 24468, 25203, 30585, 32520, 33604, 40780, 42005, 48936, 50406, 61170, 63209, 67208, 81560, 84010, 100812, 122340, 126015, 126418, 168020, 189627, 201624, 244680, 252030, 252836, 316045, 336040, 379254, 504060, 505672, 552569, 632090, 758508, 948135, 1008120, 1105138, 1264180, 1517016, 1657707, 1896270, 2210276, 2528360, 2762845, 3315414, 3792540, 4420552, 5525690, 6630828, 7585080, 8288535, 11051380, 13261656, 16577070, 17129639, 22102760, 33154140, 34259278, 51388917, 66308280, 68518556, 85648195, 102777834, 137037112, 171296390, 205555668, 256944585, 342592780, 411111336, 513889170, 685185560, 1027778340, 2055556680]

約数ペア:

[(1, 2055556680), (2, 1027778340), (3, 685185560), (4, 513889170), (5, 411111336), (6, 342592780), (8, 256944585), (10, 205555668), (12, 171296390), (15, 137037112), (20, 102777834), (24, 85648195), (30, 68518556), (31, 66308280), (40, 51388917), (60, 34259278), (62, 33154140), (93, 22102760), (120, 17129639), (124, 16577070), (155, 13261656), (186, 11051380), (248, 8288535), (271, 7585080), (310, 6630828), (372, 5525690), (465, 4420552), (542, 3792540), (620, 3315414), (744, 2762845), (813, 2528360), (930, 2210276), (1084, 1896270), (1240, 1657707), (1355, 1517016), (1626, 1264180), (1860, 1105138), (2039, 1008120), (2168, 948135), (2710, 758508), (3252, 632090), (3720, 552569), (4065, 505672), (4078, 504060), (5420, 379254), (6117, 336040), (6504, 316045), (8130, 252836), (8156, 252030), (8401, 244680), (10195, 201624), (10840, 189627), (12234, 168020), (16260, 126418), (16312, 126015), (16802, 122340), (20390, 100812), (24468, 84010), (25203, 81560), (30585, 67208), (32520, 63209), (33604, 61170), (40780, 50406), (42005, 48936)]