11981478480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1\times {\mathrm{1297}}^1$

素因数の和:2005

約数の個数: 160

約数和(自身を含む): 37840459008

約数和(自身を除く): 25858980528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 631, 732, 915, 976, 1220, 1262, 1297, 1464, 1830, 1893, 2440, 2524, 2594, 2928, 3155, 3660, 3786, 3891, 4880, 5048, 5188, 6310, 6485, 7320, 7572, 7782, 9465, 10096, 10376, 12620, 12970, 14640, 15144, 15564, 18930, 19455, 20752, 25240, 25940, 30288, 31128, 37860, 38491, 38910, 50480, 51880, 62256, 75720, 76982, 77820, 79117, 103760, 115473, 151440, 153964, 155640, 158234, 192455, 230946, 237351, 307928, 311280, 316468, 384910, 395585, 461892, 474702, 577365, 615856, 632936, 769820, 791170, 818407, 923784, 949404, 1154730, 1186755, 1265872, 1539640, 1582340, 1636814, 1847568, 1898808, 2309460, 2373510, 2455221, 3079280, 3164680, 3273628, 3797616, 4092035, 4618920, 4747020, 4910442, 6329360, 6547256, 8184070, 9237840, 9494040, 9820884, 12276105, 13094512, 16368140, 18988080, 19641768, 24552210, 32736280, 39283536, 49104420, 49922827, 65472560, 98208840, 99845654, 149768481, 196417680, 199691308, 249614135, 299536962, 399382616, 499228270, 599073924, 748842405, 798765232, 998456540, 1198147848, 1497684810, 1996913080, 2396295696, 2995369620, 3993826160, 5990739240, 11981478480]

約数ペア:

[(1, 11981478480), (2, 5990739240), (3, 3993826160), (4, 2995369620), (5, 2396295696), (6, 1996913080), (8, 1497684810), (10, 1198147848), (12, 998456540), (15, 798765232), (16, 748842405), (20, 599073924), (24, 499228270), (30, 399382616), (40, 299536962), (48, 249614135), (60, 199691308), (61, 196417680), (80, 149768481), (120, 99845654), (122, 98208840), (183, 65472560), (240, 49922827), (244, 49104420), (305, 39283536), (366, 32736280), (488, 24552210), (610, 19641768), (631, 18988080), (732, 16368140), (915, 13094512), (976, 12276105), (1220, 9820884), (1262, 9494040), (1297, 9237840), (1464, 8184070), (1830, 6547256), (1893, 6329360), (2440, 4910442), (2524, 4747020), (2594, 4618920), (2928, 4092035), (3155, 3797616), (3660, 3273628), (3786, 3164680), (3891, 3079280), (4880, 2455221), (5048, 2373510), (5188, 2309460), (6310, 1898808), (6485, 1847568), (7320, 1636814), (7572, 1582340), (7782, 1539640), (9465, 1265872), (10096, 1186755), (10376, 1154730), (12620, 949404), (12970, 923784), (14640, 818407), (15144, 791170), (15564, 769820), (18930, 632936), (19455, 615856), (20752, 577365), (25240, 474702), (25940, 461892), (30288, 395585), (31128, 384910), (37860, 316468), (38491, 311280), (38910, 307928), (50480, 237351), (51880, 230946), (62256, 192455), (75720, 158234), (76982, 155640), (77820, 153964), (79117, 151440), (103760, 115473)]