405213240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 1246259520

約数和(自身を除く): 841046280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 197, 244, 281, 305, 366, 394, 488, 562, 591, 610, 732, 788, 843, 915, 985, 1124, 1182, 1220, 1405, 1464, 1576, 1686, 1830, 1970, 2248, 2364, 2440, 2810, 2955, 3372, 3660, 3940, 4215, 4728, 5620, 5910, 6744, 7320, 7880, 8430, 11240, 11820, 12017, 16860, 17141, 23640, 24034, 33720, 34282, 36051, 48068, 51423, 55357, 60085, 68564, 72102, 85705, 96136, 102846, 110714, 120170, 137128, 144204, 166071, 171410, 180255, 205692, 221428, 240340, 257115, 276785, 288408, 332142, 342820, 360510, 411384, 442856, 480680, 514230, 553570, 664284, 685640, 721020, 830355, 1028460, 1107140, 1328568, 1442040, 1660710, 2056920, 2214280, 3321420, 3376777, 6642840, 6753554, 10130331, 13507108, 16883885, 20260662, 27014216, 33767770, 40521324, 50651655, 67535540, 81042648, 101303310, 135071080, 202606620, 405213240]

約数ペア:

[(1, 405213240), (2, 202606620), (3, 135071080), (4, 101303310), (5, 81042648), (6, 67535540), (8, 50651655), (10, 40521324), (12, 33767770), (15, 27014216), (20, 20260662), (24, 16883885), (30, 13507108), (40, 10130331), (60, 6753554), (61, 6642840), (120, 3376777), (122, 3321420), (183, 2214280), (197, 2056920), (244, 1660710), (281, 1442040), (305, 1328568), (366, 1107140), (394, 1028460), (488, 830355), (562, 721020), (591, 685640), (610, 664284), (732, 553570), (788, 514230), (843, 480680), (915, 442856), (985, 411384), (1124, 360510), (1182, 342820), (1220, 332142), (1405, 288408), (1464, 276785), (1576, 257115), (1686, 240340), (1830, 221428), (1970, 205692), (2248, 180255), (2364, 171410), (2440, 166071), (2810, 144204), (2955, 137128), (3372, 120170), (3660, 110714), (3940, 102846), (4215, 96136), (4728, 85705), (5620, 72102), (5910, 68564), (6744, 60085), (7320, 55357), (7880, 51423), (8430, 48068), (11240, 36051), (11820, 34282), (12017, 33720), (16860, 24034), (17141, 23640)]