618207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{14947}}^1$

素因数の和:15018

約数の個数: 80

約数和(自身を含む): 1601468928

約数和(自身を除く): 983261008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 10340, 14947, 20680, 29894, 41360, 59788, 74735, 119576, 149470, 164417, 239152, 298940, 328834, 597880, 657668, 702509, 822085, 1195760, 1315336, 1405018, 1644170, 2630672, 2810036, 3288340, 3512545, 5620072, 6576680, 7025090, 7727599, 11240144, 13153360, 14050180, 15455198, 28100360, 30910396, 38637995, 56200720, 61820792, 77275990, 123641584, 154551980, 309103960, 618207920]

約数ペア:

[(1, 618207920), (2, 309103960), (4, 154551980), (5, 123641584), (8, 77275990), (10, 61820792), (11, 56200720), (16, 38637995), (20, 30910396), (22, 28100360), (40, 15455198), (44, 14050180), (47, 13153360), (55, 11240144), (80, 7727599), (88, 7025090), (94, 6576680), (110, 5620072), (176, 3512545), (188, 3288340), (220, 2810036), (235, 2630672), (376, 1644170), (440, 1405018), (470, 1315336), (517, 1195760), (752, 822085), (880, 702509), (940, 657668), (1034, 597880), (1880, 328834), (2068, 298940), (2585, 239152), (3760, 164417), (4136, 149470), (5170, 119576), (8272, 74735), (10340, 59788), (14947, 41360), (20680, 29894)]