213716480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2693}}^1$

素因数の和:2747

約数の個数: 80

約数和(自身を含む): 529144704

約数和(自身を除く): 315428224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 2693, 3968, 4960, 5386, 7936, 9920, 10772, 13465, 15872, 19840, 21544, 26930, 39680, 43088, 53860, 79360, 83483, 86176, 107720, 166966, 172352, 215440, 333932, 344704, 417415, 430880, 667864, 689408, 834830, 861760, 1335728, 1378816, 1669660, 1723520, 2671456, 3339320, 3447040, 5342912, 6678640, 6894080, 10685824, 13357280, 21371648, 26714560, 42743296, 53429120, 106858240, 213716480]

約数ペア:

[(1, 213716480), (2, 106858240), (4, 53429120), (5, 42743296), (8, 26714560), (10, 21371648), (16, 13357280), (20, 10685824), (31, 6894080), (32, 6678640), (40, 5342912), (62, 3447040), (64, 3339320), (80, 2671456), (124, 1723520), (128, 1669660), (155, 1378816), (160, 1335728), (248, 861760), (256, 834830), (310, 689408), (320, 667864), (496, 430880), (512, 417415), (620, 344704), (640, 333932), (992, 215440), (1240, 172352), (1280, 166966), (1984, 107720), (2480, 86176), (2560, 83483), (2693, 79360), (3968, 53860), (4960, 43088), (5386, 39680), (7936, 26930), (9920, 21544), (10772, 19840), (13465, 15872)]