55515720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1919

約数の個数: 128

約数和(自身を含む): 188899200

約数和(自身を除く): 133383480

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, 1140, 1235, 1482, 1560, 1873, 1976, 2280, 2470, 2964, 3705, 3746, 4940, 5619, 5928, 7410, 7492, 9365, 9880, 11238, 14820, 14984, 18730, 22476, 24349, 28095, 29640, 35587, 37460, 44952, 48698, 56190, 71174, 73047, 74920, 97396, 106761, 112380, 121745, 142348, 146094, 177935, 194792, 213522, 224760, 243490, 284696, 292188, 355870, 365235, 427044, 462631, 486980, 533805, 584376, 711740, 730470, 854088, 925262, 973960, 1067610, 1387893, 1423480, 1460940, 1850524, 2135220, 2313155, 2775786, 2921880, 3701048, 4270440, 4626310, 5551572, 6939465, 9252620, 11103144, 13878930, 18505240, 27757860, 55515720]

約数ペア:

[(1, 55515720), (2, 27757860), (3, 18505240), (4, 13878930), (5, 11103144), (6, 9252620), (8, 6939465), (10, 5551572), (12, 4626310), (13, 4270440), (15, 3701048), (19, 2921880), (20, 2775786), (24, 2313155), (26, 2135220), (30, 1850524), (38, 1460940), (39, 1423480), (40, 1387893), (52, 1067610), (57, 973960), (60, 925262), (65, 854088), (76, 730470), (78, 711740), (95, 584376), (104, 533805), (114, 486980), (120, 462631), (130, 427044), (152, 365235), (156, 355870), (190, 292188), (195, 284696), (228, 243490), (247, 224760), (260, 213522), (285, 194792), (312, 177935), (380, 146094), (390, 142348), (456, 121745), (494, 112380), (520, 106761), (570, 97396), (741, 74920), (760, 73047), (780, 71174), (988, 56190), (1140, 48698), (1235, 44952), (1482, 37460), (1560, 35587), (1873, 29640), (1976, 28095), (2280, 24349), (2470, 22476), (2964, 18730), (3705, 14984), (3746, 14820), (4940, 11238), (5619, 9880), (5928, 9365), (7410, 7492)]