251809740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15373}}^1$

素因数の和:15408

約数の個数: 144

約数和(自身を含む): 940150848

約数和(自身を除く): 688341108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15373, 16380, 30746, 46119, 61492, 76865, 92238, 107611, 138357, 153730, 184476, 199849, 215222, 230595, 276714, 307460, 322833, 399698, 430444, 461190, 538055, 553428, 599547, 645666, 691785, 799396, 922380, 968499, 999245, 1076110, 1199094, 1291332, 1383570, 1398943, 1614165, 1798641, 1936998, 1998490, 2152220, 2398188, 2767140, 2797886, 2997735, 3228330, 3597282, 3873996, 3996980, 4196829, 4842495, 5595772, 5995470, 6456660, 6994715, 7194564, 8393658, 8993205, 9684990, 11990940, 12590487, 13989430, 16787316, 17986410, 19369980, 20984145, 25180974, 27978860, 35972820, 41968290, 50361948, 62952435, 83936580, 125904870, 251809740]

約数ペア:

[(1, 251809740), (2, 125904870), (3, 83936580), (4, 62952435), (5, 50361948), (6, 41968290), (7, 35972820), (9, 27978860), (10, 25180974), (12, 20984145), (13, 19369980), (14, 17986410), (15, 16787316), (18, 13989430), (20, 12590487), (21, 11990940), (26, 9684990), (28, 8993205), (30, 8393658), (35, 7194564), (36, 6994715), (39, 6456660), (42, 5995470), (45, 5595772), (52, 4842495), (60, 4196829), (63, 3996980), (65, 3873996), (70, 3597282), (78, 3228330), (84, 2997735), (90, 2797886), (91, 2767140), (105, 2398188), (117, 2152220), (126, 1998490), (130, 1936998), (140, 1798641), (156, 1614165), (180, 1398943), (182, 1383570), (195, 1291332), (210, 1199094), (234, 1076110), (252, 999245), (260, 968499), (273, 922380), (315, 799396), (364, 691785), (390, 645666), (420, 599547), (455, 553428), (468, 538055), (546, 461190), (585, 430444), (630, 399698), (780, 322833), (819, 307460), (910, 276714), (1092, 230595), (1170, 215222), (1260, 199849), (1365, 184476), (1638, 153730), (1820, 138357), (2340, 107611), (2730, 92238), (3276, 76865), (4095, 61492), (5460, 46119), (8190, 30746), (15373, 16380)]