321572940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{412273}}^1$

素因数の和:412298

約数の個数: 48

約数和(自身を含む): 969668448

約数和(自身を除く): 648095508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 412273, 824546, 1236819, 1649092, 2061365, 2473638, 4122730, 4947276, 5359549, 6184095, 8245460, 10719098, 12368190, 16078647, 21438196, 24736380, 26797745, 32157294, 53595490, 64314588, 80393235, 107190980, 160786470, 321572940]

約数ペア:

[(1, 321572940), (2, 160786470), (3, 107190980), (4, 80393235), (5, 64314588), (6, 53595490), (10, 32157294), (12, 26797745), (13, 24736380), (15, 21438196), (20, 16078647), (26, 12368190), (30, 10719098), (39, 8245460), (52, 6184095), (60, 5359549), (65, 4947276), (78, 4122730), (130, 2473638), (156, 2061365), (195, 1649092), (260, 1236819), (390, 824546), (780, 412273)]