30080990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 31608610

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 67, 85, 95, 134, 139, 170, 190, 278, 323, 335, 646, 670, 695, 1139, 1273, 1390, 1615, 2278, 2363, 2546, 2641, 3230, 4726, 5282, 5695, 6365, 9313, 11390, 11815, 12730, 13205, 18626, 21641, 23630, 26410, 43282, 44897, 46565, 89794, 93130, 108205, 158321, 176947, 216410, 224485, 316642, 353894, 448970, 791605, 884735, 1583210, 1769470, 3008099, 6016198, 15040495, 30080990]

約数ペア:

[(1, 30080990), (2, 15040495), (5, 6016198), (10, 3008099), (17, 1769470), (19, 1583210), (34, 884735), (38, 791605), (67, 448970), (85, 353894), (95, 316642), (134, 224485), (139, 216410), (170, 176947), (190, 158321), (278, 108205), (323, 93130), (335, 89794), (646, 46565), (670, 44897), (695, 43282), (1139, 26410), (1273, 23630), (1390, 21641), (1615, 18626), (2278, 13205), (2363, 12730), (2546, 11815), (2641, 11390), (3230, 9313), (4726, 6365), (5282, 5695)]