1221522720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{231349}}^1$

素因数の和:231378

約数の個数: 96

約数和(自身を含む): 4197614400

約数和(自身を除く): 2976091680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 231349, 462698, 694047, 925396, 1156745, 1388094, 1850792, 2313490, 2544839, 2776188, 3470235, 3701584, 4626980, 5089678, 5552376, 6940470, 7403168, 7634517, 9253960, 10179356, 11104752, 12724195, 13880940, 15269034, 18507920, 20358712, 22209504, 25448390, 27761880, 30538068, 37015840, 38172585, 40717424, 50896780, 55523760, 61076136, 76345170, 81434848, 101793560, 111047520, 122152272, 152690340, 203587120, 244304544, 305380680, 407174240, 610761360, 1221522720]

約数ペア:

[(1, 1221522720), (2, 610761360), (3, 407174240), (4, 305380680), (5, 244304544), (6, 203587120), (8, 152690340), (10, 122152272), (11, 111047520), (12, 101793560), (15, 81434848), (16, 76345170), (20, 61076136), (22, 55523760), (24, 50896780), (30, 40717424), (32, 38172585), (33, 37015840), (40, 30538068), (44, 27761880), (48, 25448390), (55, 22209504), (60, 20358712), (66, 18507920), (80, 15269034), (88, 13880940), (96, 12724195), (110, 11104752), (120, 10179356), (132, 9253960), (160, 7634517), (165, 7403168), (176, 6940470), (220, 5552376), (240, 5089678), (264, 4626980), (330, 3701584), (352, 3470235), (440, 2776188), (480, 2544839), (528, 2313490), (660, 1850792), (880, 1388094), (1056, 1156745), (1320, 925396), (1760, 694047), (2640, 462698), (5280, 231349)]