159140540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 365238720

約数和(自身を除く): 206098180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 197, 239, 260, 338, 394, 478, 676, 788, 845, 956, 985, 1195, 1690, 1970, 2390, 2561, 3107, 3380, 3940, 4780, 5122, 6214, 10244, 12428, 12805, 15535, 25610, 31070, 33293, 40391, 47083, 51220, 62140, 66586, 80782, 94166, 133172, 161564, 166465, 188332, 201955, 235415, 332930, 403910, 470830, 612079, 665860, 807820, 941660, 1224158, 2448316, 3060395, 6120790, 7957027, 12241580, 15914054, 31828108, 39785135, 79570270, 159140540]

約数ペア:

[(1, 159140540), (2, 79570270), (4, 39785135), (5, 31828108), (10, 15914054), (13, 12241580), (20, 7957027), (26, 6120790), (52, 3060395), (65, 2448316), (130, 1224158), (169, 941660), (197, 807820), (239, 665860), (260, 612079), (338, 470830), (394, 403910), (478, 332930), (676, 235415), (788, 201955), (845, 188332), (956, 166465), (985, 161564), (1195, 133172), (1690, 94166), (1970, 80782), (2390, 66586), (2561, 62140), (3107, 51220), (3380, 47083), (3940, 40391), (4780, 33293), (5122, 31070), (6214, 25610), (10244, 15535), (12428, 12805)]