121213440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{5261}}^1$

素因数の和:5290

約数の個数: 120

約数和(自身を含む): 419876028

約数和(自身を除く): 298662588

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5261, 5760, 7680, 10522, 11520, 15783, 21044, 23040, 26305, 31566, 42088, 47349, 52610, 63132, 78915, 84176, 94698, 105220, 126264, 157830, 168352, 189396, 210440, 236745, 252528, 315660, 336704, 378792, 420880, 473490, 505056, 631320, 673408, 757584, 841760, 946980, 1010112, 1262640, 1346816, 1515168, 1683520, 1893960, 2020224, 2525280, 2693632, 3030336, 3367040, 3787920, 4040448, 5050560, 6060672, 6734080, 7575840, 8080896, 10101120, 12121344, 13468160, 15151680, 20202240, 24242688, 30303360, 40404480, 60606720, 121213440]

約数ペア:

[(1, 121213440), (2, 60606720), (3, 40404480), (4, 30303360), (5, 24242688), (6, 20202240), (8, 15151680), (9, 13468160), (10, 12121344), (12, 10101120), (15, 8080896), (16, 7575840), (18, 6734080), (20, 6060672), (24, 5050560), (30, 4040448), (32, 3787920), (36, 3367040), (40, 3030336), (45, 2693632), (48, 2525280), (60, 2020224), (64, 1893960), (72, 1683520), (80, 1515168), (90, 1346816), (96, 1262640), (120, 1010112), (128, 946980), (144, 841760), (160, 757584), (180, 673408), (192, 631320), (240, 505056), (256, 473490), (288, 420880), (320, 378792), (360, 336704), (384, 315660), (480, 252528), (512, 236745), (576, 210440), (640, 189396), (720, 168352), (768, 157830), (960, 126264), (1152, 105220), (1280, 94698), (1440, 84176), (1536, 78915), (1920, 63132), (2304, 52610), (2560, 47349), (2880, 42088), (3840, 31566), (4608, 26305), (5261, 23040), (5760, 21044), (7680, 15783), (10522, 11520)]