318080880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 240

約数和(自身を含む): 1218672000

約数和(自身を除く): 900591120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1768, 1872, 1989, 1999, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3315, 3536, 3978, 3998, 4080, 4420, 4680, 5304, 5997, 6120, 6630, 7956, 7996, 8840, 9360, 9945, 9995, 10608, 11994, 12240, 13260, 15912, 15992, 17680, 17991, 19890, 19990, 23988, 25987, 26520, 29985, 31824, 31984, 33983, 35982, 39780, 39980, 47976, 51974, 53040, 59970, 67966, 71964, 77961, 79560, 79960, 89955, 95952, 101949, 103948, 119940, 129935, 135932, 143928, 155922, 159120, 159920, 169915, 179910, 203898, 207896, 233883, 239880, 259870, 271864, 287856, 305847, 311844, 339830, 359820, 389805, 407796, 415792, 441779, 467766, 479760, 509745, 519740, 543728, 611694, 623688, 679660, 719640, 779610, 815592, 883558, 935532, 1019490, 1039480, 1169415, 1223388, 1247376, 1325337, 1359320, 1439280, 1529235, 1559220, 1631184, 1767116, 1871064, 2038980, 2078960, 2208895, 2338830, 2446776, 2650674, 2718640, 3058470, 3118440, 3534232, 3742128, 3976011, 4077960, 4417790, 4677660, 4893552, 5301348, 6116940, 6236880, 6626685, 7068464, 7952022, 8155920, 8835580, 9355320, 10602696, 12233880, 13253370, 15904044, 17671160, 18710640, 19880055, 21205392, 24467760, 26506740, 31808088, 35342320, 39760110, 53013480, 63616176, 79520220, 106026960, 159040440, 318080880]

約数ペア:

[(1, 318080880), (2, 159040440), (3, 106026960), (4, 79520220), (5, 63616176), (6, 53013480), (8, 39760110), (9, 35342320), (10, 31808088), (12, 26506740), (13, 24467760), (15, 21205392), (16, 19880055), (17, 18710640), (18, 17671160), (20, 15904044), (24, 13253370), (26, 12233880), (30, 10602696), (34, 9355320), (36, 8835580), (39, 8155920), (40, 7952022), (45, 7068464), (48, 6626685), (51, 6236880), (52, 6116940), (60, 5301348), (65, 4893552), (68, 4677660), (72, 4417790), (78, 4077960), (80, 3976011), (85, 3742128), (90, 3534232), (102, 3118440), (104, 3058470), (117, 2718640), (120, 2650674), (130, 2446776), (136, 2338830), (144, 2208895), (153, 2078960), (156, 2038980), (170, 1871064), (180, 1767116), (195, 1631184), (204, 1559220), (208, 1529235), (221, 1439280), (234, 1359320), (240, 1325337), (255, 1247376), (260, 1223388), (272, 1169415), (306, 1039480), (312, 1019490), (340, 935532), (360, 883558), (390, 815592), (408, 779610), (442, 719640), (468, 679660), (510, 623688), (520, 611694), (585, 543728), (612, 519740), (624, 509745), (663, 479760), (680, 467766), (720, 441779), (765, 415792), (780, 407796), (816, 389805), (884, 359820), (936, 339830), (1020, 311844), (1040, 305847), (1105, 287856), (1170, 271864), (1224, 259870), (1326, 239880), (1360, 233883), (1530, 207896), (1560, 203898), (1768, 179910), (1872, 169915), (1989, 159920), (1999, 159120), (2040, 155922), (2210, 143928), (2340, 135932), (2448, 129935), (2652, 119940), (3060, 103948), (3120, 101949), (3315, 95952), (3536, 89955), (3978, 79960), (3998, 79560), (4080, 77961), (4420, 71964), (4680, 67966), (5304, 59970), (5997, 53040), (6120, 51974), (6630, 47976), (7956, 39980), (7996, 39780), (8840, 35982), (9360, 33983), (9945, 31984), (9995, 31824), (10608, 29985), (11994, 26520), (12240, 25987), (13260, 23988), (15912, 19990), (15992, 19890), (17680, 17991)]