30821680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 80

約数和(自身を含む): 76896864

約数和(自身を除く): 46075184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 170, 173, 262, 272, 340, 346, 524, 655, 680, 692, 865, 1048, 1310, 1360, 1384, 1730, 2096, 2227, 2620, 2768, 2941, 3460, 4454, 5240, 5882, 6920, 8908, 10480, 11135, 11764, 13840, 14705, 17816, 22270, 22663, 23528, 29410, 35632, 44540, 45326, 47056, 58820, 89080, 90652, 113315, 117640, 178160, 181304, 226630, 235280, 362608, 385271, 453260, 770542, 906520, 1541084, 1813040, 1926355, 3082168, 3852710, 6164336, 7705420, 15410840, 30821680]

約数ペア:

[(1, 30821680), (2, 15410840), (4, 7705420), (5, 6164336), (8, 3852710), (10, 3082168), (16, 1926355), (17, 1813040), (20, 1541084), (34, 906520), (40, 770542), (68, 453260), (80, 385271), (85, 362608), (131, 235280), (136, 226630), (170, 181304), (173, 178160), (262, 117640), (272, 113315), (340, 90652), (346, 89080), (524, 58820), (655, 47056), (680, 45326), (692, 44540), (865, 35632), (1048, 29410), (1310, 23528), (1360, 22663), (1384, 22270), (1730, 17816), (2096, 14705), (2227, 13840), (2620, 11764), (2768, 11135), (2941, 10480), (3460, 8908), (4454, 6920), (5240, 5882)]