331975280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1535

約数の個数: 160

約数和(自身を含む): 981270528

約数和(自身を除く): 649295248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1471, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 2942, 3224, 3472, 3640, 4030, 4340, 5642, 5884, 6448, 7280, 7355, 8060, 8680, 10297, 11284, 11768, 14105, 14710, 16120, 17360, 19123, 20594, 22568, 23536, 28210, 29420, 32240, 38246, 41188, 45136, 45601, 51485, 56420, 58840, 76492, 82376, 91202, 95615, 102970, 112840, 117680, 133861, 152984, 164752, 182404, 191230, 205940, 225680, 228005, 267722, 305968, 319207, 364808, 382460, 411880, 456010, 535444, 592813, 638414, 669305, 729616, 764920, 823760, 912020, 1070888, 1185626, 1276828, 1338610, 1529840, 1596035, 1824040, 2141776, 2371252, 2553656, 2677220, 2964065, 3192070, 3648080, 4149691, 4742504, 5107312, 5354440, 5928130, 6384140, 8299382, 9485008, 10708880, 11856260, 12768280, 16598764, 20748455, 23712520, 25536560, 33197528, 41496910, 47425040, 66395056, 82993820, 165987640, 331975280]

約数ペア:

[(1, 331975280), (2, 165987640), (4, 82993820), (5, 66395056), (7, 47425040), (8, 41496910), (10, 33197528), (13, 25536560), (14, 23712520), (16, 20748455), (20, 16598764), (26, 12768280), (28, 11856260), (31, 10708880), (35, 9485008), (40, 8299382), (52, 6384140), (56, 5928130), (62, 5354440), (65, 5107312), (70, 4742504), (80, 4149691), (91, 3648080), (104, 3192070), (112, 2964065), (124, 2677220), (130, 2553656), (140, 2371252), (155, 2141776), (182, 1824040), (208, 1596035), (217, 1529840), (248, 1338610), (260, 1276828), (280, 1185626), (310, 1070888), (364, 912020), (403, 823760), (434, 764920), (455, 729616), (496, 669305), (520, 638414), (560, 592813), (620, 535444), (728, 456010), (806, 411880), (868, 382460), (910, 364808), (1040, 319207), (1085, 305968), (1240, 267722), (1456, 228005), (1471, 225680), (1612, 205940), (1736, 191230), (1820, 182404), (2015, 164752), (2170, 152984), (2480, 133861), (2821, 117680), (2942, 112840), (3224, 102970), (3472, 95615), (3640, 91202), (4030, 82376), (4340, 76492), (5642, 58840), (5884, 56420), (6448, 51485), (7280, 45601), (7355, 45136), (8060, 41188), (8680, 38246), (10297, 32240), (11284, 29420), (11768, 28210), (14105, 23536), (14710, 22568), (16120, 20594), (17360, 19123)]