245668720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 120

約数和(自身を含む): 644177520

約数和(自身を除く): 398508800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 205, 220, 242, 328, 410, 440, 451, 484, 605, 619, 656, 820, 880, 902, 968, 1210, 1238, 1640, 1804, 1936, 2255, 2420, 2476, 3095, 3280, 3608, 4510, 4840, 4952, 4961, 6190, 6809, 7216, 9020, 9680, 9904, 9922, 12380, 13618, 18040, 19844, 24760, 24805, 25379, 27236, 34045, 36080, 39688, 49520, 49610, 50758, 54472, 68090, 74899, 79376, 99220, 101516, 108944, 126895, 136180, 149798, 198440, 203032, 253790, 272360, 279169, 299596, 374495, 396880, 406064, 507580, 544720, 558338, 599192, 748990, 1015160, 1116676, 1198384, 1395845, 1497980, 2030320, 2233352, 2791690, 2995960, 3070859, 4466704, 5583380, 5991920, 6141718, 11166760, 12283436, 15354295, 22333520, 24566872, 30708590, 49133744, 61417180, 122834360, 245668720]

約数ペア:

[(1, 245668720), (2, 122834360), (4, 61417180), (5, 49133744), (8, 30708590), (10, 24566872), (11, 22333520), (16, 15354295), (20, 12283436), (22, 11166760), (40, 6141718), (41, 5991920), (44, 5583380), (55, 4466704), (80, 3070859), (82, 2995960), (88, 2791690), (110, 2233352), (121, 2030320), (164, 1497980), (176, 1395845), (205, 1198384), (220, 1116676), (242, 1015160), (328, 748990), (410, 599192), (440, 558338), (451, 544720), (484, 507580), (605, 406064), (619, 396880), (656, 374495), (820, 299596), (880, 279169), (902, 272360), (968, 253790), (1210, 203032), (1238, 198440), (1640, 149798), (1804, 136180), (1936, 126895), (2255, 108944), (2420, 101516), (2476, 99220), (3095, 79376), (3280, 74899), (3608, 68090), (4510, 54472), (4840, 50758), (4952, 49610), (4961, 49520), (6190, 39688), (6809, 36080), (7216, 34045), (9020, 27236), (9680, 25379), (9904, 24805), (9922, 24760), (12380, 19844), (13618, 18040)]