253448520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4391}}^1$

素因数の和:4455

約数の個数: 128

約数和(自身を含む): 841155840

約数和(自身を除く): 587707320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 555, 740, 780, 888, 962, 1110, 1443, 1480, 1560, 1924, 2220, 2405, 2886, 3848, 4391, 4440, 4810, 5772, 7215, 8782, 9620, 11544, 13173, 14430, 17564, 19240, 21955, 26346, 28860, 35128, 43910, 52692, 57083, 57720, 65865, 87820, 105384, 114166, 131730, 162467, 171249, 175640, 228332, 263460, 285415, 324934, 342498, 456664, 487401, 526920, 570830, 649868, 684996, 812335, 856245, 974802, 1141660, 1299736, 1369992, 1624670, 1712490, 1949604, 2112071, 2283320, 2437005, 3249340, 3424980, 3899208, 4224142, 4874010, 6336213, 6498680, 6849960, 8448284, 9748020, 10560355, 12672426, 16896568, 19496040, 21120710, 25344852, 31681065, 42241420, 50689704, 63362130, 84482840, 126724260, 253448520]

約数ペア:

[(1, 253448520), (2, 126724260), (3, 84482840), (4, 63362130), (5, 50689704), (6, 42241420), (8, 31681065), (10, 25344852), (12, 21120710), (13, 19496040), (15, 16896568), (20, 12672426), (24, 10560355), (26, 9748020), (30, 8448284), (37, 6849960), (39, 6498680), (40, 6336213), (52, 4874010), (60, 4224142), (65, 3899208), (74, 3424980), (78, 3249340), (104, 2437005), (111, 2283320), (120, 2112071), (130, 1949604), (148, 1712490), (156, 1624670), (185, 1369992), (195, 1299736), (222, 1141660), (260, 974802), (296, 856245), (312, 812335), (370, 684996), (390, 649868), (444, 570830), (481, 526920), (520, 487401), (555, 456664), (740, 342498), (780, 324934), (888, 285415), (962, 263460), (1110, 228332), (1443, 175640), (1480, 171249), (1560, 162467), (1924, 131730), (2220, 114166), (2405, 105384), (2886, 87820), (3848, 65865), (4391, 57720), (4440, 57083), (4810, 52692), (5772, 43910), (7215, 35128), (8782, 28860), (9620, 26346), (11544, 21955), (13173, 19240), (14430, 17564)]