251641320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15767}}^1$

素因数の和:15807

約数の個数: 128

約数和(自身を含む): 908236800

約数和(自身を除く): 656595480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15767, 15960, 31534, 47301, 63068, 78835, 94602, 110369, 126136, 157670, 189204, 220738, 236505, 299573, 315340, 331107, 378408, 441476, 473010, 551845, 599146, 630680, 662214, 882952, 898719, 946020, 1103690, 1198292, 1324428, 1497865, 1655535, 1797438, 1892040, 2097011, 2207380, 2396584, 2648856, 2995730, 3311070, 3594876, 4194022, 4414760, 4493595, 5991460, 6291033, 6622140, 7189752, 8388044, 8987190, 10485055, 11982920, 12582066, 13244280, 16776088, 17974380, 20970110, 25164132, 31455165, 35948760, 41940220, 50328264, 62910330, 83880440, 125820660, 251641320]

約数ペア:

[(1, 251641320), (2, 125820660), (3, 83880440), (4, 62910330), (5, 50328264), (6, 41940220), (7, 35948760), (8, 31455165), (10, 25164132), (12, 20970110), (14, 17974380), (15, 16776088), (19, 13244280), (20, 12582066), (21, 11982920), (24, 10485055), (28, 8987190), (30, 8388044), (35, 7189752), (38, 6622140), (40, 6291033), (42, 5991460), (56, 4493595), (57, 4414760), (60, 4194022), (70, 3594876), (76, 3311070), (84, 2995730), (95, 2648856), (105, 2396584), (114, 2207380), (120, 2097011), (133, 1892040), (140, 1797438), (152, 1655535), (168, 1497865), (190, 1324428), (210, 1198292), (228, 1103690), (266, 946020), (280, 898719), (285, 882952), (380, 662214), (399, 630680), (420, 599146), (456, 551845), (532, 473010), (570, 441476), (665, 378408), (760, 331107), (798, 315340), (840, 299573), (1064, 236505), (1140, 220738), (1330, 189204), (1596, 157670), (1995, 126136), (2280, 110369), (2660, 94602), (3192, 78835), (3990, 63068), (5320, 47301), (7980, 31534), (15767, 15960)]