90537040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 237484800

約数和(自身を除く): 146947760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 121, 176, 188, 199, 220, 235, 242, 376, 398, 440, 470, 484, 517, 605, 752, 796, 880, 940, 968, 995, 1034, 1210, 1592, 1880, 1936, 1990, 2068, 2189, 2420, 2585, 3184, 3760, 3980, 4136, 4378, 4840, 5170, 5687, 7960, 8272, 8756, 9353, 9680, 10340, 10945, 11374, 15920, 17512, 18706, 20680, 21890, 22748, 24079, 28435, 35024, 37412, 41360, 43780, 45496, 46765, 48158, 56870, 74824, 87560, 90992, 93530, 96316, 102883, 113740, 120395, 149648, 175120, 187060, 192632, 205766, 227480, 240790, 374120, 385264, 411532, 454960, 481580, 514415, 748240, 823064, 963160, 1028830, 1131713, 1646128, 1926320, 2057660, 2263426, 4115320, 4526852, 5658565, 8230640, 9053704, 11317130, 18107408, 22634260, 45268520, 90537040]

約数ペア:

[(1, 90537040), (2, 45268520), (4, 22634260), (5, 18107408), (8, 11317130), (10, 9053704), (11, 8230640), (16, 5658565), (20, 4526852), (22, 4115320), (40, 2263426), (44, 2057660), (47, 1926320), (55, 1646128), (80, 1131713), (88, 1028830), (94, 963160), (110, 823064), (121, 748240), (176, 514415), (188, 481580), (199, 454960), (220, 411532), (235, 385264), (242, 374120), (376, 240790), (398, 227480), (440, 205766), (470, 192632), (484, 187060), (517, 175120), (605, 149648), (752, 120395), (796, 113740), (880, 102883), (940, 96316), (968, 93530), (995, 90992), (1034, 87560), (1210, 74824), (1592, 56870), (1880, 48158), (1936, 46765), (1990, 45496), (2068, 43780), (2189, 41360), (2420, 37412), (2585, 35024), (3184, 28435), (3760, 24079), (3980, 22748), (4136, 21890), (4378, 20680), (4840, 18706), (5170, 17512), (5687, 15920), (7960, 11374), (8272, 10945), (8756, 10340), (9353, 9680)]