1639206870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1087}}^1$

素因数の和:1314

約数の個数: 128

約数和(自身を含む): 4632477696

約数和(自身を除く): 2993270826

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 167, 210, 215, 258, 301, 334, 430, 501, 602, 645, 835, 903, 1002, 1087, 1169, 1290, 1505, 1670, 1806, 2174, 2338, 2505, 3010, 3261, 3507, 4515, 5010, 5435, 5845, 6522, 7014, 7181, 7609, 9030, 10870, 11690, 14362, 15218, 16305, 17535, 21543, 22827, 32610, 35070, 35905, 38045, 43086, 45654, 46741, 50267, 71810, 76090, 93482, 100534, 107715, 114135, 140223, 150801, 181529, 215430, 228270, 233705, 251335, 280446, 301602, 327187, 363058, 467410, 502670, 544587, 654374, 701115, 754005, 907645, 981561, 1089174, 1270703, 1402230, 1508010, 1635935, 1815290, 1963122, 2541406, 2722935, 3271870, 3812109, 4907805, 5445870, 6353515, 7624218, 7805747, 9815610, 12707030, 15611494, 19060545, 23417241, 38121090, 39028735, 46834482, 54640229, 78057470, 109280458, 117086205, 163920687, 234172410, 273201145, 327841374, 546402290, 819603435, 1639206870]

約数ペア:

[(1, 1639206870), (2, 819603435), (3, 546402290), (5, 327841374), (6, 273201145), (7, 234172410), (10, 163920687), (14, 117086205), (15, 109280458), (21, 78057470), (30, 54640229), (35, 46834482), (42, 39028735), (43, 38121090), (70, 23417241), (86, 19060545), (105, 15611494), (129, 12707030), (167, 9815610), (210, 7805747), (215, 7624218), (258, 6353515), (301, 5445870), (334, 4907805), (430, 3812109), (501, 3271870), (602, 2722935), (645, 2541406), (835, 1963122), (903, 1815290), (1002, 1635935), (1087, 1508010), (1169, 1402230), (1290, 1270703), (1505, 1089174), (1670, 981561), (1806, 907645), (2174, 754005), (2338, 701115), (2505, 654374), (3010, 544587), (3261, 502670), (3507, 467410), (4515, 363058), (5010, 327187), (5435, 301602), (5845, 280446), (6522, 251335), (7014, 233705), (7181, 228270), (7609, 215430), (9030, 181529), (10870, 150801), (11690, 140223), (14362, 114135), (15218, 107715), (16305, 100534), (17535, 93482), (21543, 76090), (22827, 71810), (32610, 50267), (35070, 46741), (35905, 45654), (38045, 43086)]