28304820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2429

約数の個数: 72

約数和(自身を含む): 87176544

約数和(自身を除く): 58871724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2347, 2412, 3015, 4020, 4694, 6030, 7041, 9388, 11735, 12060, 14082, 21123, 23470, 28164, 35205, 42246, 46940, 70410, 84492, 105615, 140820, 157249, 211230, 314498, 422460, 471747, 628996, 786245, 943494, 1415241, 1572490, 1886988, 2358735, 2830482, 3144980, 4717470, 5660964, 7076205, 9434940, 14152410, 28304820]

約数ペア:

[(1, 28304820), (2, 14152410), (3, 9434940), (4, 7076205), (5, 5660964), (6, 4717470), (9, 3144980), (10, 2830482), (12, 2358735), (15, 1886988), (18, 1572490), (20, 1415241), (30, 943494), (36, 786245), (45, 628996), (60, 471747), (67, 422460), (90, 314498), (134, 211230), (180, 157249), (201, 140820), (268, 105615), (335, 84492), (402, 70410), (603, 46940), (670, 42246), (804, 35205), (1005, 28164), (1206, 23470), (1340, 21123), (2010, 14082), (2347, 12060), (2412, 11735), (3015, 9388), (4020, 7041), (4694, 6030)]