256401504

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{15619}}^1$

素因数の和:15657

約数の個数: 96

約数和(自身を含む): 787248000

約数和(自身を除く): 530846496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 5472, 8208, 15619, 16416, 31238, 46857, 62476, 93714, 124952, 140571, 187428, 249904, 281142, 296761, 374856, 421713, 499808, 562284, 593522, 749712, 843426, 890283, 1124568, 1187044, 1499424, 1686852, 1780566, 2249136, 2374088, 2670849, 3373704, 3561132, 4498272, 4748176, 5341698, 6747408, 7122264, 8012547, 9496352, 10683396, 13494816, 14244528, 16025094, 21366792, 28489056, 32050188, 42733584, 64100376, 85467168, 128200752, 256401504]

約数ペア:

[(1, 256401504), (2, 128200752), (3, 85467168), (4, 64100376), (6, 42733584), (8, 32050188), (9, 28489056), (12, 21366792), (16, 16025094), (18, 14244528), (19, 13494816), (24, 10683396), (27, 9496352), (32, 8012547), (36, 7122264), (38, 6747408), (48, 5341698), (54, 4748176), (57, 4498272), (72, 3561132), (76, 3373704), (96, 2670849), (108, 2374088), (114, 2249136), (144, 1780566), (152, 1686852), (171, 1499424), (216, 1187044), (228, 1124568), (288, 890283), (304, 843426), (342, 749712), (432, 593522), (456, 562284), (513, 499808), (608, 421713), (684, 374856), (864, 296761), (912, 281142), (1026, 249904), (1368, 187428), (1824, 140571), (2052, 124952), (2736, 93714), (4104, 62476), (5472, 46857), (8208, 31238), (15619, 16416)]