16229120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 40225920

約数和(自身を除く): 23996800

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, 409, 496, 620, 640, 818, 992, 1240, 1280, 1636, 1984, 2045, 2480, 3272, 3968, 4090, 4960, 6544, 7936, 8180, 9920, 12679, 13088, 16360, 19840, 25358, 26176, 32720, 39680, 50716, 52352, 63395, 65440, 101432, 104704, 126790, 130880, 202864, 253580, 261760, 405728, 507160, 523520, 811456, 1014320, 1622912, 2028640, 3245824, 4057280, 8114560, 16229120]

約数ペア:

[(1, 16229120), (2, 8114560), (4, 4057280), (5, 3245824), (8, 2028640), (10, 1622912), (16, 1014320), (20, 811456), (31, 523520), (32, 507160), (40, 405728), (62, 261760), (64, 253580), (80, 202864), (124, 130880), (128, 126790), (155, 104704), (160, 101432), (248, 65440), (256, 63395), (310, 52352), (320, 50716), (409, 39680), (496, 32720), (620, 26176), (640, 25358), (818, 19840), (992, 16360), (1240, 13088), (1280, 12679), (1636, 9920), (1984, 8180), (2045, 7936), (2480, 6544), (3272, 4960), (3968, 4090)]