30640740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 93346176

約数和(自身を除く): 62705436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 241, 260, 326, 390, 482, 489, 652, 723, 780, 815, 964, 978, 1205, 1446, 1630, 1956, 2119, 2410, 2445, 2892, 3133, 3260, 3615, 4238, 4820, 4890, 6266, 6357, 7230, 8476, 9399, 9780, 10595, 12532, 12714, 14460, 15665, 18798, 21190, 25428, 31330, 31785, 37596, 39283, 42380, 46995, 62660, 63570, 78566, 93990, 117849, 127140, 157132, 187980, 196415, 235698, 392830, 471396, 510679, 589245, 785660, 1021358, 1178490, 1532037, 2042716, 2356980, 2553395, 3064074, 5106790, 6128148, 7660185, 10213580, 15320370, 30640740]

約数ペア:

[(1, 30640740), (2, 15320370), (3, 10213580), (4, 7660185), (5, 6128148), (6, 5106790), (10, 3064074), (12, 2553395), (13, 2356980), (15, 2042716), (20, 1532037), (26, 1178490), (30, 1021358), (39, 785660), (52, 589245), (60, 510679), (65, 471396), (78, 392830), (130, 235698), (156, 196415), (163, 187980), (195, 157132), (241, 127140), (260, 117849), (326, 93990), (390, 78566), (482, 63570), (489, 62660), (652, 46995), (723, 42380), (780, 39283), (815, 37596), (964, 31785), (978, 31330), (1205, 25428), (1446, 21190), (1630, 18798), (1956, 15665), (2119, 14460), (2410, 12714), (2445, 12532), (2892, 10595), (3133, 9780), (3260, 9399), (3615, 8476), (4238, 7230), (4820, 6357), (4890, 6266)]