657412680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1111

約数の個数: 128

約数和(自身を含む): 2067275520

約数和(自身を除く): 1409862840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 313, 345, 460, 552, 626, 690, 761, 920, 939, 1252, 1380, 1522, 1565, 1878, 2283, 2504, 2760, 3044, 3130, 3756, 3805, 4566, 4695, 6088, 6260, 7199, 7512, 7610, 9132, 9390, 11415, 12520, 14398, 15220, 17503, 18264, 18780, 21597, 22830, 28796, 30440, 35006, 35995, 37560, 43194, 45660, 52509, 57592, 70012, 71990, 86388, 87515, 91320, 105018, 107985, 140024, 143980, 172776, 175030, 210036, 215970, 238193, 262545, 287960, 350060, 420072, 431940, 476386, 525090, 700120, 714579, 863880, 952772, 1050180, 1190965, 1429158, 1905544, 2100360, 2381930, 2858316, 3572895, 4763860, 5478439, 5716632, 7145790, 9527720, 10956878, 14291580, 16435317, 21913756, 27392195, 28583160, 32870634, 43827512, 54784390, 65741268, 82176585, 109568780, 131482536, 164353170, 219137560, 328706340, 657412680]

約数ペア:

[(1, 657412680), (2, 328706340), (3, 219137560), (4, 164353170), (5, 131482536), (6, 109568780), (8, 82176585), (10, 65741268), (12, 54784390), (15, 43827512), (20, 32870634), (23, 28583160), (24, 27392195), (30, 21913756), (40, 16435317), (46, 14291580), (60, 10956878), (69, 9527720), (92, 7145790), (115, 5716632), (120, 5478439), (138, 4763860), (184, 3572895), (230, 2858316), (276, 2381930), (313, 2100360), (345, 1905544), (460, 1429158), (552, 1190965), (626, 1050180), (690, 952772), (761, 863880), (920, 714579), (939, 700120), (1252, 525090), (1380, 476386), (1522, 431940), (1565, 420072), (1878, 350060), (2283, 287960), (2504, 262545), (2760, 238193), (3044, 215970), (3130, 210036), (3756, 175030), (3805, 172776), (4566, 143980), (4695, 140024), (6088, 107985), (6260, 105018), (7199, 91320), (7512, 87515), (7610, 86388), (9132, 71990), (9390, 70012), (11415, 57592), (12520, 52509), (14398, 45660), (15220, 43194), (17503, 37560), (18264, 35995), (18780, 35006), (21597, 30440), (22830, 28796)]