90909720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2087}}^1$

素因数の和:2126

約数の個数: 144

約数和(自身を含む): 324913680

約数和(自身を除く): 234003960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1815, 1980, 2087, 2178, 2420, 2904, 3630, 3960, 4174, 4356, 4840, 5445, 6261, 7260, 8348, 8712, 10435, 10890, 12522, 14520, 16696, 18783, 20870, 21780, 22957, 25044, 31305, 37566, 41740, 43560, 45914, 50088, 62610, 68871, 75132, 83480, 91828, 93915, 114785, 125220, 137742, 150264, 183656, 187830, 206613, 229570, 250440, 252527, 275484, 344355, 375660, 413226, 459140, 505054, 550968, 688710, 751320, 757581, 826452, 918280, 1010108, 1033065, 1262635, 1377420, 1515162, 1652904, 2020216, 2066130, 2272743, 2525270, 2754840, 3030324, 3787905, 4132260, 4545486, 5050540, 6060648, 7575810, 8264520, 9090972, 10101080, 11363715, 15151620, 18181944, 22727430, 30303240, 45454860, 90909720]

約数ペア:

[(1, 90909720), (2, 45454860), (3, 30303240), (4, 22727430), (5, 18181944), (6, 15151620), (8, 11363715), (9, 10101080), (10, 9090972), (11, 8264520), (12, 7575810), (15, 6060648), (18, 5050540), (20, 4545486), (22, 4132260), (24, 3787905), (30, 3030324), (33, 2754840), (36, 2525270), (40, 2272743), (44, 2066130), (45, 2020216), (55, 1652904), (60, 1515162), (66, 1377420), (72, 1262635), (88, 1033065), (90, 1010108), (99, 918280), (110, 826452), (120, 757581), (121, 751320), (132, 688710), (165, 550968), (180, 505054), (198, 459140), (220, 413226), (242, 375660), (264, 344355), (330, 275484), (360, 252527), (363, 250440), (396, 229570), (440, 206613), (484, 187830), (495, 183656), (605, 150264), (660, 137742), (726, 125220), (792, 114785), (968, 93915), (990, 91828), (1089, 83480), (1210, 75132), (1320, 68871), (1452, 62610), (1815, 50088), (1980, 45914), (2087, 43560), (2178, 41740), (2420, 37566), (2904, 31305), (3630, 25044), (3960, 22957), (4174, 21780), (4356, 20870), (4840, 18783), (5445, 16696), (6261, 14520), (7260, 12522), (8348, 10890), (8712, 10435)]