251013480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 778619520

約数和(自身を除く): 527606040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 163, 164, 205, 246, 313, 326, 328, 410, 489, 492, 615, 626, 652, 815, 820, 939, 978, 984, 1230, 1252, 1304, 1565, 1630, 1640, 1878, 1956, 2445, 2460, 2504, 3130, 3260, 3756, 3912, 4695, 4890, 4920, 6260, 6520, 6683, 7512, 9390, 9780, 12520, 12833, 13366, 18780, 19560, 20049, 25666, 26732, 33415, 37560, 38499, 40098, 51019, 51332, 53464, 64165, 66830, 76998, 80196, 100245, 102038, 102664, 128330, 133660, 153057, 153996, 160392, 192495, 200490, 204076, 255095, 256660, 267320, 306114, 307992, 384990, 400980, 408152, 510190, 513320, 612228, 765285, 769980, 801960, 1020380, 1224456, 1530570, 1539960, 2040760, 2091779, 3061140, 4183558, 6122280, 6275337, 8367116, 10458895, 12550674, 16734232, 20917790, 25101348, 31376685, 41835580, 50202696, 62753370, 83671160, 125506740, 251013480]

約数ペア:

[(1, 251013480), (2, 125506740), (3, 83671160), (4, 62753370), (5, 50202696), (6, 41835580), (8, 31376685), (10, 25101348), (12, 20917790), (15, 16734232), (20, 12550674), (24, 10458895), (30, 8367116), (40, 6275337), (41, 6122280), (60, 4183558), (82, 3061140), (120, 2091779), (123, 2040760), (163, 1539960), (164, 1530570), (205, 1224456), (246, 1020380), (313, 801960), (326, 769980), (328, 765285), (410, 612228), (489, 513320), (492, 510190), (615, 408152), (626, 400980), (652, 384990), (815, 307992), (820, 306114), (939, 267320), (978, 256660), (984, 255095), (1230, 204076), (1252, 200490), (1304, 192495), (1565, 160392), (1630, 153996), (1640, 153057), (1878, 133660), (1956, 128330), (2445, 102664), (2460, 102038), (2504, 100245), (3130, 80196), (3260, 76998), (3756, 66830), (3912, 64165), (4695, 53464), (4890, 51332), (4920, 51019), (6260, 40098), (6520, 38499), (6683, 37560), (7512, 33415), (9390, 26732), (9780, 25666), (12520, 20049), (12833, 19560), (13366, 18780)]