180225320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 465454080

約数和(自身を除く): 285228760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 73, 88, 110, 124, 146, 155, 181, 220, 248, 292, 310, 341, 362, 365, 440, 584, 620, 682, 724, 730, 803, 905, 1240, 1364, 1448, 1460, 1606, 1705, 1810, 1991, 2263, 2728, 2920, 3212, 3410, 3620, 3982, 4015, 4526, 5611, 6424, 6820, 7240, 7964, 8030, 9052, 9955, 11222, 11315, 13213, 13640, 15928, 16060, 18104, 19910, 22444, 22630, 24893, 26426, 28055, 32120, 39820, 44888, 45260, 49786, 52852, 56110, 61721, 66065, 79640, 90520, 99572, 105704, 112220, 123442, 124465, 132130, 145343, 199144, 224440, 246884, 248930, 264260, 290686, 308605, 409603, 493768, 497860, 528520, 581372, 617210, 726715, 819206, 995720, 1162744, 1234420, 1453430, 1638412, 2048015, 2468840, 2906860, 3276824, 4096030, 4505633, 5813720, 8192060, 9011266, 16384120, 18022532, 22528165, 36045064, 45056330, 90112660, 180225320]

約数ペア:

[(1, 180225320), (2, 90112660), (4, 45056330), (5, 36045064), (8, 22528165), (10, 18022532), (11, 16384120), (20, 9011266), (22, 8192060), (31, 5813720), (40, 4505633), (44, 4096030), (55, 3276824), (62, 2906860), (73, 2468840), (88, 2048015), (110, 1638412), (124, 1453430), (146, 1234420), (155, 1162744), (181, 995720), (220, 819206), (248, 726715), (292, 617210), (310, 581372), (341, 528520), (362, 497860), (365, 493768), (440, 409603), (584, 308605), (620, 290686), (682, 264260), (724, 248930), (730, 246884), (803, 224440), (905, 199144), (1240, 145343), (1364, 132130), (1448, 124465), (1460, 123442), (1606, 112220), (1705, 105704), (1810, 99572), (1991, 90520), (2263, 79640), (2728, 66065), (2920, 61721), (3212, 56110), (3410, 52852), (3620, 49786), (3982, 45260), (4015, 44888), (4526, 39820), (5611, 32120), (6424, 28055), (6820, 26426), (7240, 24893), (7964, 22630), (8030, 22444), (9052, 19910), (9955, 18104), (11222, 16060), (11315, 15928), (13213, 13640)]