123429540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158243}}^1$

素因数の和:158268

約数の個数: 48

約数和(自身を含む): 372189888

約数和(自身を除く): 248760348

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, 158243, 316486, 474729, 632972, 791215, 949458, 1582430, 1898916, 2057159, 2373645, 3164860, 4114318, 4747290, 6171477, 8228636, 9494580, 10285795, 12342954, 20571590, 24685908, 30857385, 41143180, 61714770, 123429540]

約数ペア:

[(1, 123429540), (2, 61714770), (3, 41143180), (4, 30857385), (5, 24685908), (6, 20571590), (10, 12342954), (12, 10285795), (13, 9494580), (15, 8228636), (20, 6171477), (26, 4747290), (30, 4114318), (39, 3164860), (52, 2373645), (60, 2057159), (65, 1898916), (78, 1582430), (130, 949458), (156, 791215), (195, 632972), (260, 474729), (390, 316486), (780, 158243)]