15780640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 40824000

約数和(自身を除く): 25043360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 116, 145, 152, 160, 179, 190, 232, 290, 304, 358, 380, 464, 551, 580, 608, 716, 760, 895, 928, 1102, 1160, 1432, 1520, 1790, 2204, 2320, 2755, 2864, 3040, 3401, 3580, 4408, 4640, 5191, 5510, 5728, 6802, 7160, 8816, 10382, 11020, 13604, 14320, 17005, 17632, 20764, 22040, 25955, 27208, 28640, 34010, 41528, 44080, 51910, 54416, 68020, 83056, 88160, 98629, 103820, 108832, 136040, 166112, 197258, 207640, 272080, 394516, 415280, 493145, 544160, 789032, 830560, 986290, 1578064, 1972580, 3156128, 3945160, 7890320, 15780640]

約数ペア:

[(1, 15780640), (2, 7890320), (4, 3945160), (5, 3156128), (8, 1972580), (10, 1578064), (16, 986290), (19, 830560), (20, 789032), (29, 544160), (32, 493145), (38, 415280), (40, 394516), (58, 272080), (76, 207640), (80, 197258), (95, 166112), (116, 136040), (145, 108832), (152, 103820), (160, 98629), (179, 88160), (190, 83056), (232, 68020), (290, 54416), (304, 51910), (358, 44080), (380, 41528), (464, 34010), (551, 28640), (580, 27208), (608, 25955), (716, 22040), (760, 20764), (895, 17632), (928, 17005), (1102, 14320), (1160, 13604), (1432, 11020), (1520, 10382), (1790, 8816), (2204, 7160), (2320, 6802), (2755, 5728), (2864, 5510), (3040, 5191), (3401, 4640), (3580, 4408)]