291215880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{35171}}^1$

素因数の和:35211

約数の個数: 96

約数和(自身を含む): 987629760

約数和(自身を除く): 696413880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 35171, 70342, 105513, 140684, 175855, 211026, 281368, 316539, 351710, 422052, 527565, 633078, 703420, 808933, 844104, 1055130, 1266156, 1406840, 1582695, 1617866, 2110260, 2426799, 2532312, 3165390, 3235732, 4044665, 4220520, 4853598, 6330780, 6471464, 7280397, 8089330, 9707196, 12133995, 12661560, 14560794, 16178660, 19414392, 24267990, 29121588, 32357320, 36401985, 48535980, 58243176, 72803970, 97071960, 145607940, 291215880]

約数ペア:

[(1, 291215880), (2, 145607940), (3, 97071960), (4, 72803970), (5, 58243176), (6, 48535980), (8, 36401985), (9, 32357320), (10, 29121588), (12, 24267990), (15, 19414392), (18, 16178660), (20, 14560794), (23, 12661560), (24, 12133995), (30, 9707196), (36, 8089330), (40, 7280397), (45, 6471464), (46, 6330780), (60, 4853598), (69, 4220520), (72, 4044665), (90, 3235732), (92, 3165390), (115, 2532312), (120, 2426799), (138, 2110260), (180, 1617866), (184, 1582695), (207, 1406840), (230, 1266156), (276, 1055130), (345, 844104), (360, 808933), (414, 703420), (460, 633078), (552, 527565), (690, 422052), (828, 351710), (920, 316539), (1035, 281368), (1380, 211026), (1656, 175855), (2070, 140684), (2760, 105513), (4140, 70342), (8280, 35171)]