251815590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1734

約数の個数: 96

約数和(自身を含む): 710682336

約数和(自身を除く): 458866746

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 137, 195, 234, 274, 390, 411, 585, 685, 822, 1170, 1233, 1370, 1571, 1781, 2055, 2466, 3142, 3562, 4110, 4713, 5343, 6165, 7855, 8905, 9426, 10686, 12330, 14139, 15710, 16029, 17810, 20423, 23565, 26715, 28278, 32058, 40846, 47130, 53430, 61269, 70695, 80145, 102115, 122538, 141390, 160290, 183807, 204230, 215227, 306345, 367614, 430454, 612690, 645681, 919035, 1076135, 1291362, 1838070, 1937043, 2152270, 2797951, 3228405, 3874086, 5595902, 6456810, 8393853, 9685215, 13989755, 16787706, 19370430, 25181559, 27979510, 41969265, 50363118, 83938530, 125907795, 251815590]

約数ペア:

[(1, 251815590), (2, 125907795), (3, 83938530), (5, 50363118), (6, 41969265), (9, 27979510), (10, 25181559), (13, 19370430), (15, 16787706), (18, 13989755), (26, 9685215), (30, 8393853), (39, 6456810), (45, 5595902), (65, 3874086), (78, 3228405), (90, 2797951), (117, 2152270), (130, 1937043), (137, 1838070), (195, 1291362), (234, 1076135), (274, 919035), (390, 645681), (411, 612690), (585, 430454), (685, 367614), (822, 306345), (1170, 215227), (1233, 204230), (1370, 183807), (1571, 160290), (1781, 141390), (2055, 122538), (2466, 102115), (3142, 80145), (3562, 70695), (4110, 61269), (4713, 53430), (5343, 47130), (6165, 40846), (7855, 32058), (8905, 28278), (9426, 26715), (10686, 23565), (12330, 20423), (14139, 17810), (15710, 16029)]