30919720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 75816720

約数和(自身を除く): 44897000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 613, 776, 970, 1226, 1261, 1940, 2452, 2522, 3065, 3880, 4904, 5044, 6130, 6305, 7969, 10088, 12260, 12610, 15938, 24520, 25220, 31876, 39845, 50440, 59461, 63752, 79690, 118922, 159380, 237844, 297305, 318760, 475688, 594610, 772993, 1189220, 1545986, 2378440, 3091972, 3864965, 6183944, 7729930, 15459860, 30919720]

約数ペア:

[(1, 30919720), (2, 15459860), (4, 7729930), (5, 6183944), (8, 3864965), (10, 3091972), (13, 2378440), (20, 1545986), (26, 1189220), (40, 772993), (52, 594610), (65, 475688), (97, 318760), (104, 297305), (130, 237844), (194, 159380), (260, 118922), (388, 79690), (485, 63752), (520, 59461), (613, 50440), (776, 39845), (970, 31876), (1226, 25220), (1261, 24520), (1940, 15938), (2452, 12610), (2522, 12260), (3065, 10088), (3880, 7969), (4904, 6305), (5044, 6130)]