28910640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 100279296

約数和(自身を除く): 71368656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 233, 235, 240, 264, 282, 330, 376, 440, 466, 470, 517, 528, 564, 660, 699, 705, 752, 880, 932, 940, 1034, 1128, 1165, 1320, 1398, 1410, 1551, 1864, 1880, 2068, 2256, 2330, 2563, 2585, 2640, 2796, 2820, 3102, 3495, 3728, 3760, 4136, 4660, 5126, 5170, 5592, 5640, 6204, 6990, 7689, 7755, 8272, 9320, 10252, 10340, 10951, 11184, 11280, 12408, 12815, 13980, 15378, 15510, 18640, 20504, 20680, 21902, 24816, 25630, 27960, 30756, 31020, 32853, 38445, 41008, 41360, 43804, 51260, 54755, 55920, 61512, 62040, 65706, 76890, 87608, 102520, 109510, 120461, 123024, 124080, 131412, 153780, 164265, 175216, 205040, 219020, 240922, 262824, 307560, 328530, 361383, 438040, 481844, 525648, 602305, 615120, 657060, 722766, 876080, 963688, 1204610, 1314120, 1445532, 1806915, 1927376, 2409220, 2628240, 2891064, 3613830, 4818440, 5782128, 7227660, 9636880, 14455320, 28910640]

約数ペア:

[(1, 28910640), (2, 14455320), (3, 9636880), (4, 7227660), (5, 5782128), (6, 4818440), (8, 3613830), (10, 2891064), (11, 2628240), (12, 2409220), (15, 1927376), (16, 1806915), (20, 1445532), (22, 1314120), (24, 1204610), (30, 963688), (33, 876080), (40, 722766), (44, 657060), (47, 615120), (48, 602305), (55, 525648), (60, 481844), (66, 438040), (80, 361383), (88, 328530), (94, 307560), (110, 262824), (120, 240922), (132, 219020), (141, 205040), (165, 175216), (176, 164265), (188, 153780), (220, 131412), (233, 124080), (235, 123024), (240, 120461), (264, 109510), (282, 102520), (330, 87608), (376, 76890), (440, 65706), (466, 62040), (470, 61512), (517, 55920), (528, 54755), (564, 51260), (660, 43804), (699, 41360), (705, 41008), (752, 38445), (880, 32853), (932, 31020), (940, 30756), (1034, 27960), (1128, 25630), (1165, 24816), (1320, 21902), (1398, 20680), (1410, 20504), (1551, 18640), (1864, 15510), (1880, 15378), (2068, 13980), (2256, 12815), (2330, 12408), (2563, 11280), (2585, 11184), (2640, 10951), (2796, 10340), (2820, 10252), (3102, 9320), (3495, 8272), (3728, 7755), (3760, 7689), (4136, 6990), (4660, 6204), (5126, 5640), (5170, 5592)]