31408860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 109734912

約数和(自身を除く): 78326052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 53, 60, 68, 70, 83, 84, 85, 102, 105, 106, 119, 140, 159, 166, 170, 204, 210, 212, 238, 249, 255, 265, 318, 332, 340, 357, 371, 415, 420, 476, 498, 510, 530, 581, 595, 636, 714, 742, 795, 830, 901, 996, 1020, 1060, 1113, 1162, 1190, 1245, 1411, 1428, 1484, 1590, 1660, 1743, 1785, 1802, 1855, 2226, 2324, 2380, 2490, 2703, 2822, 2905, 3180, 3486, 3570, 3604, 3710, 4233, 4399, 4452, 4505, 4980, 5406, 5565, 5644, 5810, 6307, 6972, 7055, 7140, 7420, 8466, 8715, 8798, 9010, 9877, 10812, 11130, 11620, 12614, 13197, 13515, 14110, 16932, 17430, 17596, 18020, 18921, 19754, 21165, 21995, 22260, 25228, 26394, 27030, 28220, 29631, 30793, 31535, 34860, 37842, 39508, 42330, 43990, 49385, 52788, 54060, 59262, 61586, 63070, 65985, 74783, 75684, 84660, 87980, 92379, 94605, 98770, 118524, 123172, 126140, 131970, 148155, 149566, 153965, 184758, 189210, 197540, 224349, 263940, 296310, 299132, 307930, 369516, 373915, 378420, 448698, 461895, 523481, 592620, 615860, 747830, 897396, 923790, 1046962, 1121745, 1495660, 1570443, 1847580, 2093924, 2243490, 2617405, 3140886, 4486980, 5234810, 6281772, 7852215, 10469620, 15704430, 31408860]

約数ペア:

[(1, 31408860), (2, 15704430), (3, 10469620), (4, 7852215), (5, 6281772), (6, 5234810), (7, 4486980), (10, 3140886), (12, 2617405), (14, 2243490), (15, 2093924), (17, 1847580), (20, 1570443), (21, 1495660), (28, 1121745), (30, 1046962), (34, 923790), (35, 897396), (42, 747830), (51, 615860), (53, 592620), (60, 523481), (68, 461895), (70, 448698), (83, 378420), (84, 373915), (85, 369516), (102, 307930), (105, 299132), (106, 296310), (119, 263940), (140, 224349), (159, 197540), (166, 189210), (170, 184758), (204, 153965), (210, 149566), (212, 148155), (238, 131970), (249, 126140), (255, 123172), (265, 118524), (318, 98770), (332, 94605), (340, 92379), (357, 87980), (371, 84660), (415, 75684), (420, 74783), (476, 65985), (498, 63070), (510, 61586), (530, 59262), (581, 54060), (595, 52788), (636, 49385), (714, 43990), (742, 42330), (795, 39508), (830, 37842), (901, 34860), (996, 31535), (1020, 30793), (1060, 29631), (1113, 28220), (1162, 27030), (1190, 26394), (1245, 25228), (1411, 22260), (1428, 21995), (1484, 21165), (1590, 19754), (1660, 18921), (1743, 18020), (1785, 17596), (1802, 17430), (1855, 16932), (2226, 14110), (2324, 13515), (2380, 13197), (2490, 12614), (2703, 11620), (2822, 11130), (2905, 10812), (3180, 9877), (3486, 9010), (3570, 8798), (3604, 8715), (3710, 8466), (4233, 7420), (4399, 7140), (4452, 7055), (4505, 6972), (4980, 6307), (5406, 5810), (5565, 5644)]