78477720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 244270080

約数和(自身を除く): 165792360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 71, 120, 122, 142, 151, 183, 213, 244, 284, 302, 305, 355, 366, 426, 453, 488, 568, 604, 610, 710, 732, 755, 852, 906, 915, 1065, 1208, 1220, 1420, 1464, 1510, 1704, 1812, 1830, 2130, 2265, 2440, 2840, 3020, 3624, 3660, 4260, 4331, 4530, 6040, 7320, 8520, 8662, 9060, 9211, 10721, 12993, 17324, 18120, 18422, 21442, 21655, 25986, 27633, 32163, 34648, 36844, 42884, 43310, 46055, 51972, 53605, 55266, 64326, 64965, 73688, 85768, 86620, 92110, 103944, 107210, 110532, 128652, 129930, 138165, 160815, 173240, 184220, 214420, 221064, 257304, 259860, 276330, 321630, 368440, 428840, 519720, 552660, 643260, 653981, 1105320, 1286520, 1307962, 1961943, 2615924, 3269905, 3923886, 5231848, 6539810, 7847772, 9809715, 13079620, 15695544, 19619430, 26159240, 39238860, 78477720]

約数ペア:

[(1, 78477720), (2, 39238860), (3, 26159240), (4, 19619430), (5, 15695544), (6, 13079620), (8, 9809715), (10, 7847772), (12, 6539810), (15, 5231848), (20, 3923886), (24, 3269905), (30, 2615924), (40, 1961943), (60, 1307962), (61, 1286520), (71, 1105320), (120, 653981), (122, 643260), (142, 552660), (151, 519720), (183, 428840), (213, 368440), (244, 321630), (284, 276330), (302, 259860), (305, 257304), (355, 221064), (366, 214420), (426, 184220), (453, 173240), (488, 160815), (568, 138165), (604, 129930), (610, 128652), (710, 110532), (732, 107210), (755, 103944), (852, 92110), (906, 86620), (915, 85768), (1065, 73688), (1208, 64965), (1220, 64326), (1420, 55266), (1464, 53605), (1510, 51972), (1704, 46055), (1812, 43310), (1830, 42884), (2130, 36844), (2265, 34648), (2440, 32163), (2840, 27633), (3020, 25986), (3624, 21655), (3660, 21442), (4260, 18422), (4331, 18120), (4530, 17324), (6040, 12993), (7320, 10721), (8520, 9211), (8662, 9060)]