123456930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 303264000

約数和(自身を除く): 179807070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 149, 213, 298, 355, 389, 426, 447, 710, 745, 778, 894, 1065, 1167, 1490, 1945, 2130, 2235, 2334, 3890, 4470, 5835, 10579, 11670, 21158, 27619, 31737, 52895, 55238, 57961, 63474, 82857, 105790, 115922, 138095, 158685, 165714, 173883, 276190, 289805, 317370, 347766, 414285, 579610, 828570, 869415, 1738830, 4115231, 8230462, 12345693, 20576155, 24691386, 41152310, 61728465, 123456930]

約数ペア:

[(1, 123456930), (2, 61728465), (3, 41152310), (5, 24691386), (6, 20576155), (10, 12345693), (15, 8230462), (30, 4115231), (71, 1738830), (142, 869415), (149, 828570), (213, 579610), (298, 414285), (355, 347766), (389, 317370), (426, 289805), (447, 276190), (710, 173883), (745, 165714), (778, 158685), (894, 138095), (1065, 115922), (1167, 105790), (1490, 82857), (1945, 63474), (2130, 57961), (2235, 55238), (2334, 52895), (3890, 31737), (4470, 27619), (5835, 21158), (10579, 11670)]