87970680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{4987}}^1$

素因数の和:5018

約数の個数: 144

約数和(自身を含む): 332649720

約数和(自身を除く): 244679040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 4987, 5880, 8820, 9974, 14961, 17640, 19948, 24935, 29922, 34909, 39896, 44883, 49870, 59844, 69818, 74805, 89766, 99740, 104727, 119688, 139636, 149610, 174545, 179532, 199480, 209454, 224415, 244363, 279272, 299220, 314181, 349090, 359064, 418908, 448830, 488726, 523635, 598440, 628362, 698180, 733089, 837816, 897660, 977452, 1047270, 1221815, 1256724, 1396360, 1466178, 1570905, 1795320, 1954904, 2094540, 2199267, 2443630, 2513448, 2932356, 3141810, 3665445, 4189080, 4398534, 4887260, 5864712, 6283620, 7330890, 8797068, 9774520, 10996335, 12567240, 14661780, 17594136, 21992670, 29323560, 43985340, 87970680]

約数ペア:

[(1, 87970680), (2, 43985340), (3, 29323560), (4, 21992670), (5, 17594136), (6, 14661780), (7, 12567240), (8, 10996335), (9, 9774520), (10, 8797068), (12, 7330890), (14, 6283620), (15, 5864712), (18, 4887260), (20, 4398534), (21, 4189080), (24, 3665445), (28, 3141810), (30, 2932356), (35, 2513448), (36, 2443630), (40, 2199267), (42, 2094540), (45, 1954904), (49, 1795320), (56, 1570905), (60, 1466178), (63, 1396360), (70, 1256724), (72, 1221815), (84, 1047270), (90, 977452), (98, 897660), (105, 837816), (120, 733089), (126, 698180), (140, 628362), (147, 598440), (168, 523635), (180, 488726), (196, 448830), (210, 418908), (245, 359064), (252, 349090), (280, 314181), (294, 299220), (315, 279272), (360, 244363), (392, 224415), (420, 209454), (441, 199480), (490, 179532), (504, 174545), (588, 149610), (630, 139636), (735, 119688), (840, 104727), (882, 99740), (980, 89766), (1176, 74805), (1260, 69818), (1470, 59844), (1764, 49870), (1960, 44883), (2205, 39896), (2520, 34909), (2940, 29922), (3528, 24935), (4410, 19948), (4987, 17640), (5880, 14961), (8820, 9974)]