161553276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 108

約数和(自身を含む): 446007744

約数和(自身を除く): 284454468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 361, 372, 401, 558, 589, 684, 722, 802, 1083, 1116, 1178, 1203, 1444, 1604, 1767, 2166, 2356, 2406, 3249, 3534, 3609, 4332, 4812, 5301, 6498, 7068, 7218, 7619, 10602, 11191, 12431, 12996, 14436, 15238, 21204, 22382, 22857, 24862, 30476, 33573, 37293, 44764, 45714, 49724, 67146, 68571, 74586, 91428, 100719, 111879, 134292, 137142, 144761, 149172, 201438, 223758, 236189, 274284, 289522, 402876, 434283, 447516, 472378, 579044, 708567, 868566, 944756, 1302849, 1417134, 1737132, 2125701, 2605698, 2834268, 4251402, 4487591, 5211396, 8502804, 8975182, 13462773, 17950364, 26925546, 40388319, 53851092, 80776638, 161553276]

約数ペア:

[(1, 161553276), (2, 80776638), (3, 53851092), (4, 40388319), (6, 26925546), (9, 17950364), (12, 13462773), (18, 8975182), (19, 8502804), (31, 5211396), (36, 4487591), (38, 4251402), (57, 2834268), (62, 2605698), (76, 2125701), (93, 1737132), (114, 1417134), (124, 1302849), (171, 944756), (186, 868566), (228, 708567), (279, 579044), (342, 472378), (361, 447516), (372, 434283), (401, 402876), (558, 289522), (589, 274284), (684, 236189), (722, 223758), (802, 201438), (1083, 149172), (1116, 144761), (1178, 137142), (1203, 134292), (1444, 111879), (1604, 100719), (1767, 91428), (2166, 74586), (2356, 68571), (2406, 67146), (3249, 49724), (3534, 45714), (3609, 44764), (4332, 37293), (4812, 33573), (5301, 30476), (6498, 24862), (7068, 22857), (7218, 22382), (7619, 21204), (10602, 15238), (11191, 14436), (12431, 12996)]