49991880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 159667200

約数和(自身を除く): 109675320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 307, 345, 354, 460, 472, 552, 590, 614, 690, 708, 885, 920, 921, 1180, 1228, 1357, 1380, 1416, 1535, 1770, 1842, 2360, 2456, 2714, 2760, 3070, 3540, 3684, 4071, 4605, 5428, 6140, 6785, 7061, 7080, 7368, 8142, 9210, 10856, 12280, 13570, 14122, 16284, 18113, 18420, 20355, 21183, 27140, 28244, 32568, 35305, 36226, 36840, 40710, 42366, 54280, 54339, 56488, 70610, 72452, 81420, 84732, 90565, 105915, 108678, 141220, 144904, 162840, 169464, 181130, 211830, 217356, 271695, 282440, 362260, 416599, 423660, 434712, 543390, 724520, 833198, 847320, 1086780, 1249797, 1666396, 2082995, 2173560, 2499594, 3332792, 4165990, 4999188, 6248985, 8331980, 9998376, 12497970, 16663960, 24995940, 49991880]

約数ペア:

[(1, 49991880), (2, 24995940), (3, 16663960), (4, 12497970), (5, 9998376), (6, 8331980), (8, 6248985), (10, 4999188), (12, 4165990), (15, 3332792), (20, 2499594), (23, 2173560), (24, 2082995), (30, 1666396), (40, 1249797), (46, 1086780), (59, 847320), (60, 833198), (69, 724520), (92, 543390), (115, 434712), (118, 423660), (120, 416599), (138, 362260), (177, 282440), (184, 271695), (230, 217356), (236, 211830), (276, 181130), (295, 169464), (307, 162840), (345, 144904), (354, 141220), (460, 108678), (472, 105915), (552, 90565), (590, 84732), (614, 81420), (690, 72452), (708, 70610), (885, 56488), (920, 54339), (921, 54280), (1180, 42366), (1228, 40710), (1357, 36840), (1380, 36226), (1416, 35305), (1535, 32568), (1770, 28244), (1842, 27140), (2360, 21183), (2456, 20355), (2714, 18420), (2760, 18113), (3070, 16284), (3540, 14122), (3684, 13570), (4071, 12280), (4605, 10856), (5428, 9210), (6140, 8142), (6785, 7368), (7061, 7080)]