131956020

素因数分解:

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

素因数の和:5019

約数の個数: 144

約数和(自身を含む): 477650880

約数和(自身を除く): 345694860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 4987, 5292, 6615, 8820, 9974, 13230, 14961, 19948, 24935, 26460, 29922, 34909, 44883, 49870, 59844, 69818, 74805, 89766, 99740, 104727, 134649, 139636, 149610, 174545, 179532, 209454, 224415, 244363, 269298, 299220, 314181, 349090, 418908, 448830, 488726, 523635, 538596, 628362, 673245, 698180, 733089, 897660, 942543, 977452, 1047270, 1221815, 1256724, 1346490, 1466178, 1570905, 1885086, 2094540, 2199267, 2443630, 2692980, 2932356, 3141810, 3665445, 3770172, 4398534, 4712715, 4887260, 6283620, 6597801, 7330890, 8797068, 9425430, 10996335, 13195602, 14661780, 18850860, 21992670, 26391204, 32989005, 43985340, 65978010, 131956020]

約数ペア:

[(1, 131956020), (2, 65978010), (3, 43985340), (4, 32989005), (5, 26391204), (6, 21992670), (7, 18850860), (9, 14661780), (10, 13195602), (12, 10996335), (14, 9425430), (15, 8797068), (18, 7330890), (20, 6597801), (21, 6283620), (27, 4887260), (28, 4712715), (30, 4398534), (35, 3770172), (36, 3665445), (42, 3141810), (45, 2932356), (49, 2692980), (54, 2443630), (60, 2199267), (63, 2094540), (70, 1885086), (84, 1570905), (90, 1466178), (98, 1346490), (105, 1256724), (108, 1221815), (126, 1047270), (135, 977452), (140, 942543), (147, 897660), (180, 733089), (189, 698180), (196, 673245), (210, 628362), (245, 538596), (252, 523635), (270, 488726), (294, 448830), (315, 418908), (378, 349090), (420, 314181), (441, 299220), (490, 269298), (540, 244363), (588, 224415), (630, 209454), (735, 179532), (756, 174545), (882, 149610), (945, 139636), (980, 134649), (1260, 104727), (1323, 99740), (1470, 89766), (1764, 74805), (1890, 69818), (2205, 59844), (2646, 49870), (2940, 44883), (3780, 34909), (4410, 29922), (4987, 26460), (5292, 24935), (6615, 19948), (8820, 14961), (9974, 13230)]