31623620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 82080684

約数和(自身を除く): 50457064

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 61, 70, 92, 98, 115, 122, 140, 161, 196, 230, 244, 245, 305, 322, 427, 460, 490, 529, 610, 644, 805, 854, 980, 1058, 1127, 1220, 1403, 1610, 1708, 2116, 2135, 2254, 2645, 2806, 2989, 3220, 3703, 4270, 4508, 5290, 5612, 5635, 5978, 7015, 7406, 8540, 9821, 10580, 11270, 11956, 14030, 14812, 14945, 18515, 19642, 22540, 25921, 28060, 29890, 32269, 37030, 39284, 49105, 51842, 59780, 64538, 68747, 74060, 98210, 103684, 129076, 129605, 137494, 161345, 196420, 225883, 259210, 274988, 322690, 343735, 451766, 518420, 645380, 687470, 903532, 1129415, 1374940, 1581181, 2258830, 3162362, 4517660, 6324724, 7905905, 15811810, 31623620]

約数ペア:

[(1, 31623620), (2, 15811810), (4, 7905905), (5, 6324724), (7, 4517660), (10, 3162362), (14, 2258830), (20, 1581181), (23, 1374940), (28, 1129415), (35, 903532), (46, 687470), (49, 645380), (61, 518420), (70, 451766), (92, 343735), (98, 322690), (115, 274988), (122, 259210), (140, 225883), (161, 196420), (196, 161345), (230, 137494), (244, 129605), (245, 129076), (305, 103684), (322, 98210), (427, 74060), (460, 68747), (490, 64538), (529, 59780), (610, 51842), (644, 49105), (805, 39284), (854, 37030), (980, 32269), (1058, 29890), (1127, 28060), (1220, 25921), (1403, 22540), (1610, 19642), (1708, 18515), (2116, 14945), (2135, 14812), (2254, 14030), (2645, 11956), (2806, 11270), (2989, 10580), (3220, 9821), (3703, 8540), (4270, 7406), (4508, 7015), (5290, 5978), (5612, 5635)]