12180520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 33177600

約数和(自身を除く): 20997080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 47, 55, 62, 76, 88, 94, 95, 110, 124, 152, 155, 188, 190, 209, 220, 235, 248, 310, 341, 376, 380, 418, 440, 470, 517, 589, 620, 682, 760, 836, 893, 940, 1034, 1045, 1178, 1240, 1364, 1457, 1672, 1705, 1786, 1880, 2068, 2090, 2356, 2585, 2728, 2914, 2945, 3410, 3572, 4136, 4180, 4465, 4712, 5170, 5828, 5890, 6479, 6820, 7144, 7285, 8360, 8930, 9823, 10340, 11656, 11780, 12958, 13640, 14570, 16027, 17860, 19646, 20680, 23560, 25916, 27683, 29140, 32054, 32395, 35720, 39292, 49115, 51832, 55366, 58280, 64108, 64790, 78584, 80135, 98230, 110732, 128216, 129580, 138415, 160270, 196460, 221464, 259160, 276830, 304513, 320540, 392920, 553660, 609026, 641080, 1107320, 1218052, 1522565, 2436104, 3045130, 6090260, 12180520]

約数ペア:

[(1, 12180520), (2, 6090260), (4, 3045130), (5, 2436104), (8, 1522565), (10, 1218052), (11, 1107320), (19, 641080), (20, 609026), (22, 553660), (31, 392920), (38, 320540), (40, 304513), (44, 276830), (47, 259160), (55, 221464), (62, 196460), (76, 160270), (88, 138415), (94, 129580), (95, 128216), (110, 110732), (124, 98230), (152, 80135), (155, 78584), (188, 64790), (190, 64108), (209, 58280), (220, 55366), (235, 51832), (248, 49115), (310, 39292), (341, 35720), (376, 32395), (380, 32054), (418, 29140), (440, 27683), (470, 25916), (517, 23560), (589, 20680), (620, 19646), (682, 17860), (760, 16027), (836, 14570), (893, 13640), (940, 12958), (1034, 11780), (1045, 11656), (1178, 10340), (1240, 9823), (1364, 8930), (1457, 8360), (1672, 7285), (1705, 7144), (1786, 6820), (1880, 6479), (2068, 5890), (2090, 5828), (2356, 5170), (2585, 4712), (2728, 4465), (2914, 4180), (2945, 4136), (3410, 3572)]