881639460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{376769}}^1$

素因数の和:376797

約数の個数: 72

約数和(自身を含む): 2880029880

約数和(自身を除く): 1998390420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 376769, 753538, 1130307, 1507076, 1883845, 2260614, 3390921, 3767690, 4521228, 4897997, 5651535, 6781842, 7535380, 9795994, 11303070, 13563684, 14693991, 16954605, 19591988, 22606140, 24489985, 29387982, 33909210, 44081973, 48979970, 58775964, 67818420, 73469955, 88163946, 97959940, 146939910, 176327892, 220409865, 293879820, 440819730, 881639460]

約数ペア:

[(1, 881639460), (2, 440819730), (3, 293879820), (4, 220409865), (5, 176327892), (6, 146939910), (9, 97959940), (10, 88163946), (12, 73469955), (13, 67818420), (15, 58775964), (18, 48979970), (20, 44081973), (26, 33909210), (30, 29387982), (36, 24489985), (39, 22606140), (45, 19591988), (52, 16954605), (60, 14693991), (65, 13563684), (78, 11303070), (90, 9795994), (117, 7535380), (130, 6781842), (156, 5651535), (180, 4897997), (195, 4521228), (234, 3767690), (260, 3390921), (390, 2260614), (468, 1883845), (585, 1507076), (780, 1130307), (1170, 753538), (2340, 376769)]