154181580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^2$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 523111680

約数和(自身を除く): 368930100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 139, 140, 190, 210, 228, 266, 278, 285, 380, 399, 417, 420, 532, 556, 570, 665, 695, 798, 834, 973, 1140, 1330, 1390, 1596, 1668, 1946, 1995, 2085, 2641, 2660, 2780, 2919, 3892, 3990, 4170, 4865, 5282, 5838, 7923, 7980, 8340, 9730, 10564, 11676, 13205, 14595, 15846, 18487, 19321, 19460, 26410, 29190, 31692, 36974, 38642, 39615, 52820, 55461, 57963, 58380, 73948, 77284, 79230, 92435, 96605, 110922, 115926, 135247, 158460, 184870, 193210, 221844, 231852, 270494, 277305, 289815, 367099, 369740, 386420, 405741, 540988, 554610, 579630, 676235, 734198, 811482, 1101297, 1109220, 1159260, 1352470, 1468396, 1622964, 1835495, 2028705, 2202594, 2569693, 2704940, 3670990, 4057410, 4405188, 5139386, 5506485, 7341980, 7709079, 8114820, 10278772, 11012970, 12848465, 15418158, 22025940, 25696930, 30836316, 38545395, 51393860, 77090790, 154181580]

約数ペア:

[(1, 154181580), (2, 77090790), (3, 51393860), (4, 38545395), (5, 30836316), (6, 25696930), (7, 22025940), (10, 15418158), (12, 12848465), (14, 11012970), (15, 10278772), (19, 8114820), (20, 7709079), (21, 7341980), (28, 5506485), (30, 5139386), (35, 4405188), (38, 4057410), (42, 3670990), (57, 2704940), (60, 2569693), (70, 2202594), (76, 2028705), (84, 1835495), (95, 1622964), (105, 1468396), (114, 1352470), (133, 1159260), (139, 1109220), (140, 1101297), (190, 811482), (210, 734198), (228, 676235), (266, 579630), (278, 554610), (285, 540988), (380, 405741), (399, 386420), (417, 369740), (420, 367099), (532, 289815), (556, 277305), (570, 270494), (665, 231852), (695, 221844), (798, 193210), (834, 184870), (973, 158460), (1140, 135247), (1330, 115926), (1390, 110922), (1596, 96605), (1668, 92435), (1946, 79230), (1995, 77284), (2085, 73948), (2641, 58380), (2660, 57963), (2780, 55461), (2919, 52820), (3892, 39615), (3990, 38642), (4170, 36974), (4865, 31692), (5282, 29190), (5838, 26410), (7923, 19460), (7980, 19321), (8340, 18487), (9730, 15846), (10564, 14595), (11676, 13205)]