15885540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 37893276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 113, 132, 142, 165, 180, 198, 213, 220, 226, 284, 330, 339, 355, 396, 426, 452, 495, 565, 639, 660, 678, 710, 781, 852, 990, 1017, 1065, 1130, 1243, 1278, 1356, 1420, 1562, 1695, 1980, 2034, 2130, 2260, 2343, 2486, 2556, 3124, 3195, 3390, 3729, 3905, 4068, 4260, 4686, 4972, 5085, 6215, 6390, 6780, 7029, 7458, 7810, 8023, 9372, 10170, 11187, 11715, 12430, 12780, 14058, 14916, 15620, 16046, 18645, 20340, 22374, 23430, 24069, 24860, 28116, 32092, 35145, 37290, 40115, 44748, 46860, 48138, 55935, 70290, 72207, 74580, 80230, 88253, 96276, 111870, 120345, 140580, 144414, 160460, 176506, 223740, 240690, 264759, 288828, 353012, 361035, 441265, 481380, 529518, 722070, 794277, 882530, 1059036, 1323795, 1444140, 1588554, 1765060, 2647590, 3177108, 3971385, 5295180, 7942770, 15885540]

約数ペア:

[(1, 15885540), (2, 7942770), (3, 5295180), (4, 3971385), (5, 3177108), (6, 2647590), (9, 1765060), (10, 1588554), (11, 1444140), (12, 1323795), (15, 1059036), (18, 882530), (20, 794277), (22, 722070), (30, 529518), (33, 481380), (36, 441265), (44, 361035), (45, 353012), (55, 288828), (60, 264759), (66, 240690), (71, 223740), (90, 176506), (99, 160460), (110, 144414), (113, 140580), (132, 120345), (142, 111870), (165, 96276), (180, 88253), (198, 80230), (213, 74580), (220, 72207), (226, 70290), (284, 55935), (330, 48138), (339, 46860), (355, 44748), (396, 40115), (426, 37290), (452, 35145), (495, 32092), (565, 28116), (639, 24860), (660, 24069), (678, 23430), (710, 22374), (781, 20340), (852, 18645), (990, 16046), (1017, 15620), (1065, 14916), (1130, 14058), (1243, 12780), (1278, 12430), (1356, 11715), (1420, 11187), (1562, 10170), (1695, 9372), (1980, 8023), (2034, 7810), (2130, 7458), (2260, 7029), (2343, 6780), (2486, 6390), (2556, 6215), (3124, 5085), (3195, 4972), (3390, 4686), (3729, 4260), (3905, 4068)]