31448040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 107049600

約数和(自身を除く): 75601560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1061, 1140, 1235, 1482, 1560, 1976, 2122, 2280, 2470, 2964, 3183, 3705, 4244, 4940, 5305, 5928, 6366, 7410, 8488, 9880, 10610, 12732, 13793, 14820, 15915, 20159, 21220, 25464, 27586, 29640, 31830, 40318, 41379, 42440, 55172, 60477, 63660, 68965, 80636, 82758, 100795, 110344, 120954, 127320, 137930, 161272, 165516, 201590, 206895, 241908, 262067, 275860, 302385, 331032, 403180, 413790, 483816, 524134, 551720, 604770, 786201, 806360, 827580, 1048268, 1209540, 1310335, 1572402, 1655160, 2096536, 2419080, 2620670, 3144804, 3931005, 5241340, 6289608, 7862010, 10482680, 15724020, 31448040]

約数ペア:

[(1, 31448040), (2, 15724020), (3, 10482680), (4, 7862010), (5, 6289608), (6, 5241340), (8, 3931005), (10, 3144804), (12, 2620670), (13, 2419080), (15, 2096536), (19, 1655160), (20, 1572402), (24, 1310335), (26, 1209540), (30, 1048268), (38, 827580), (39, 806360), (40, 786201), (52, 604770), (57, 551720), (60, 524134), (65, 483816), (76, 413790), (78, 403180), (95, 331032), (104, 302385), (114, 275860), (120, 262067), (130, 241908), (152, 206895), (156, 201590), (190, 165516), (195, 161272), (228, 137930), (247, 127320), (260, 120954), (285, 110344), (312, 100795), (380, 82758), (390, 80636), (456, 68965), (494, 63660), (520, 60477), (570, 55172), (741, 42440), (760, 41379), (780, 40318), (988, 31830), (1061, 29640), (1140, 27586), (1235, 25464), (1482, 21220), (1560, 20159), (1976, 15915), (2122, 14820), (2280, 13793), (2470, 12732), (2964, 10610), (3183, 9880), (3705, 8488), (4244, 7410), (4940, 6366), (5305, 5928)]