251436840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:579

約数の個数: 128

約数和(自身を含む): 779328000

約数和(自身を除く): 527891160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 109, 120, 141, 188, 218, 235, 282, 327, 376, 409, 436, 470, 545, 564, 654, 705, 818, 872, 940, 1090, 1128, 1227, 1308, 1410, 1635, 1636, 1880, 2045, 2180, 2454, 2616, 2820, 3270, 3272, 4090, 4360, 4908, 5123, 5640, 6135, 6540, 8180, 9816, 10246, 12270, 13080, 15369, 16360, 19223, 20492, 24540, 25615, 30738, 38446, 40984, 44581, 49080, 51230, 57669, 61476, 76845, 76892, 89162, 96115, 102460, 115338, 122952, 133743, 153690, 153784, 178324, 192230, 204920, 222905, 230676, 267486, 288345, 307380, 356648, 384460, 445810, 461352, 534972, 576690, 614760, 668715, 768920, 891620, 1069944, 1153380, 1337430, 1783240, 2095307, 2306760, 2674860, 4190614, 5349720, 6285921, 8381228, 10476535, 12571842, 16762456, 20953070, 25143684, 31429605, 41906140, 50287368, 62859210, 83812280, 125718420, 251436840]

約数ペア:

[(1, 251436840), (2, 125718420), (3, 83812280), (4, 62859210), (5, 50287368), (6, 41906140), (8, 31429605), (10, 25143684), (12, 20953070), (15, 16762456), (20, 12571842), (24, 10476535), (30, 8381228), (40, 6285921), (47, 5349720), (60, 4190614), (94, 2674860), (109, 2306760), (120, 2095307), (141, 1783240), (188, 1337430), (218, 1153380), (235, 1069944), (282, 891620), (327, 768920), (376, 668715), (409, 614760), (436, 576690), (470, 534972), (545, 461352), (564, 445810), (654, 384460), (705, 356648), (818, 307380), (872, 288345), (940, 267486), (1090, 230676), (1128, 222905), (1227, 204920), (1308, 192230), (1410, 178324), (1635, 153784), (1636, 153690), (1880, 133743), (2045, 122952), (2180, 115338), (2454, 102460), (2616, 96115), (2820, 89162), (3270, 76892), (3272, 76845), (4090, 61476), (4360, 57669), (4908, 51230), (5123, 49080), (5640, 44581), (6135, 40984), (6540, 38446), (8180, 30738), (9816, 25615), (10246, 24540), (12270, 20492), (13080, 19223), (15369, 16360)]