495878480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3389}}^1$

素因数の和:3492

約数の個数: 80

約数和(自身を含む): 1210636800

約数和(自身を除く): 714758320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1829, 2360, 2480, 3389, 3658, 4720, 6778, 7316, 9145, 13556, 14632, 16945, 18290, 27112, 29264, 33890, 36580, 54224, 67780, 73160, 105059, 135560, 146320, 199951, 210118, 271120, 399902, 420236, 525295, 799804, 840472, 999755, 1050590, 1599608, 1680944, 1999510, 2101180, 3199216, 3999020, 4202360, 6198481, 7998040, 8404720, 12396962, 15996080, 24793924, 30992405, 49587848, 61984810, 99175696, 123969620, 247939240, 495878480]

約数ペア:

[(1, 495878480), (2, 247939240), (4, 123969620), (5, 99175696), (8, 61984810), (10, 49587848), (16, 30992405), (20, 24793924), (31, 15996080), (40, 12396962), (59, 8404720), (62, 7998040), (80, 6198481), (118, 4202360), (124, 3999020), (155, 3199216), (236, 2101180), (248, 1999510), (295, 1680944), (310, 1599608), (472, 1050590), (496, 999755), (590, 840472), (620, 799804), (944, 525295), (1180, 420236), (1240, 399902), (1829, 271120), (2360, 210118), (2480, 199951), (3389, 146320), (3658, 135560), (4720, 105059), (6778, 73160), (7316, 67780), (9145, 54224), (13556, 36580), (14632, 33890), (16945, 29264), (18290, 27112)]