251150520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123113}}^1$

素因数の和:123144

約数の個数: 64

約数和(自身を含む): 797778720

約数和(自身を除く): 546628200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 123113, 246226, 369339, 492452, 615565, 738678, 984904, 1231130, 1477356, 1846695, 2092921, 2462260, 2954712, 3693390, 4185842, 4924520, 6278763, 7386780, 8371684, 10464605, 12557526, 14773560, 16743368, 20929210, 25115052, 31393815, 41858420, 50230104, 62787630, 83716840, 125575260, 251150520]

約数ペア:

[(1, 251150520), (2, 125575260), (3, 83716840), (4, 62787630), (5, 50230104), (6, 41858420), (8, 31393815), (10, 25115052), (12, 20929210), (15, 16743368), (17, 14773560), (20, 12557526), (24, 10464605), (30, 8371684), (34, 7386780), (40, 6278763), (51, 4924520), (60, 4185842), (68, 3693390), (85, 2954712), (102, 2462260), (120, 2092921), (136, 1846695), (170, 1477356), (204, 1231130), (255, 984904), (340, 738678), (408, 615565), (510, 492452), (680, 369339), (1020, 246226), (2040, 123113)]