425556840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:1007

約数の個数: 128

約数和(自身を含む): 1328947200

約数和(自身を除く): 903390360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 278, 310, 372, 417, 465, 556, 620, 695, 744, 823, 834, 930, 1112, 1240, 1390, 1646, 1668, 1860, 2085, 2469, 2780, 3292, 3336, 3720, 4115, 4170, 4309, 4938, 5560, 6584, 8230, 8340, 8618, 9876, 12345, 12927, 16460, 16680, 17236, 19752, 21545, 24690, 25513, 25854, 32920, 34472, 43090, 49380, 51026, 51708, 64635, 76539, 86180, 98760, 102052, 103416, 114397, 127565, 129270, 153078, 172360, 204104, 228794, 255130, 258540, 306156, 343191, 382695, 457588, 510260, 517080, 571985, 612312, 686382, 765390, 915176, 1020520, 1143970, 1372764, 1530780, 1715955, 2287940, 2745528, 3061560, 3431910, 3546307, 4575880, 6863820, 7092614, 10638921, 13727640, 14185228, 17731535, 21277842, 28370456, 35463070, 42555684, 53194605, 70926140, 85111368, 106389210, 141852280, 212778420, 425556840]

約数ペア:

[(1, 425556840), (2, 212778420), (3, 141852280), (4, 106389210), (5, 85111368), (6, 70926140), (8, 53194605), (10, 42555684), (12, 35463070), (15, 28370456), (20, 21277842), (24, 17731535), (30, 14185228), (31, 13727640), (40, 10638921), (60, 7092614), (62, 6863820), (93, 4575880), (120, 3546307), (124, 3431910), (139, 3061560), (155, 2745528), (186, 2287940), (248, 1715955), (278, 1530780), (310, 1372764), (372, 1143970), (417, 1020520), (465, 915176), (556, 765390), (620, 686382), (695, 612312), (744, 571985), (823, 517080), (834, 510260), (930, 457588), (1112, 382695), (1240, 343191), (1390, 306156), (1646, 258540), (1668, 255130), (1860, 228794), (2085, 204104), (2469, 172360), (2780, 153078), (3292, 129270), (3336, 127565), (3720, 114397), (4115, 103416), (4170, 102052), (4309, 98760), (4938, 86180), (5560, 76539), (6584, 64635), (8230, 51708), (8340, 51026), (8618, 49380), (9876, 43090), (12345, 34472), (12927, 32920), (16460, 25854), (16680, 25513), (17236, 24690), (19752, 21545)]