31039920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2269}}^1$

素因数の和:2307

約数の個数: 120

約数和(自身を含む): 109777200

約数和(自身を除く): 78737280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2269, 2280, 2736, 3420, 4538, 4560, 6807, 6840, 9076, 11345, 13614, 13680, 18152, 20421, 22690, 27228, 34035, 36304, 40842, 43111, 45380, 54456, 68070, 81684, 86222, 90760, 102105, 108912, 129333, 136140, 163368, 172444, 181520, 204210, 215555, 258666, 272280, 326736, 344888, 387999, 408420, 431110, 517332, 544560, 646665, 689776, 775998, 816840, 862220, 1034664, 1293330, 1551996, 1633680, 1724440, 1939995, 2069328, 2586660, 3103992, 3448880, 3879990, 5173320, 6207984, 7759980, 10346640, 15519960, 31039920]

約数ペア:

[(1, 31039920), (2, 15519960), (3, 10346640), (4, 7759980), (5, 6207984), (6, 5173320), (8, 3879990), (9, 3448880), (10, 3103992), (12, 2586660), (15, 2069328), (16, 1939995), (18, 1724440), (19, 1633680), (20, 1551996), (24, 1293330), (30, 1034664), (36, 862220), (38, 816840), (40, 775998), (45, 689776), (48, 646665), (57, 544560), (60, 517332), (72, 431110), (76, 408420), (80, 387999), (90, 344888), (95, 326736), (114, 272280), (120, 258666), (144, 215555), (152, 204210), (171, 181520), (180, 172444), (190, 163368), (228, 136140), (240, 129333), (285, 108912), (304, 102105), (342, 90760), (360, 86222), (380, 81684), (456, 68070), (570, 54456), (684, 45380), (720, 43111), (760, 40842), (855, 36304), (912, 34035), (1140, 27228), (1368, 22690), (1520, 20421), (1710, 18152), (2269, 13680), (2280, 13614), (2736, 11345), (3420, 9076), (4538, 6840), (4560, 6807)]