1247719620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1682

約数の個数: 192

約数和(自身を含む): 4191731712

約数和(自身を除く): 2944012092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 61, 62, 70, 84, 93, 105, 122, 124, 140, 155, 183, 186, 210, 217, 244, 305, 310, 366, 372, 420, 427, 434, 465, 610, 620, 651, 732, 854, 868, 915, 930, 1085, 1220, 1281, 1302, 1571, 1708, 1830, 1860, 1891, 2135, 2170, 2562, 2604, 3142, 3255, 3660, 3782, 4270, 4340, 4713, 5124, 5673, 6284, 6405, 6510, 7564, 7855, 8540, 9426, 9455, 10997, 11346, 12810, 13020, 13237, 15710, 18852, 18910, 21994, 22692, 23565, 25620, 26474, 28365, 31420, 32991, 37820, 39711, 43988, 47130, 48701, 52948, 54985, 56730, 65982, 66185, 79422, 94260, 95831, 97402, 109970, 113460, 131964, 132370, 146103, 158844, 164955, 191662, 194804, 198555, 219940, 243505, 264740, 287493, 292206, 329910, 340907, 383324, 397110, 479155, 487010, 574986, 584412, 659820, 670817, 681814, 730515, 794220, 958310, 974020, 1022721, 1149972, 1341634, 1363628, 1437465, 1461030, 1704535, 1916620, 2012451, 2045442, 2683268, 2874930, 2922060, 2970761, 3354085, 3409070, 4024902, 4090884, 5113605, 5749860, 5941522, 6708170, 6818140, 8049804, 8912283, 10062255, 10227210, 11883044, 13416340, 14853805, 17824566, 20124510, 20454420, 20795327, 29707610, 35649132, 40249020, 41590654, 44561415, 59415220, 62385981, 83181308, 89122830, 103976635, 124771962, 178245660, 207953270, 249543924, 311929905, 415906540, 623859810, 1247719620]

約数ペア:

[(1, 1247719620), (2, 623859810), (3, 415906540), (4, 311929905), (5, 249543924), (6, 207953270), (7, 178245660), (10, 124771962), (12, 103976635), (14, 89122830), (15, 83181308), (20, 62385981), (21, 59415220), (28, 44561415), (30, 41590654), (31, 40249020), (35, 35649132), (42, 29707610), (60, 20795327), (61, 20454420), (62, 20124510), (70, 17824566), (84, 14853805), (93, 13416340), (105, 11883044), (122, 10227210), (124, 10062255), (140, 8912283), (155, 8049804), (183, 6818140), (186, 6708170), (210, 5941522), (217, 5749860), (244, 5113605), (305, 4090884), (310, 4024902), (366, 3409070), (372, 3354085), (420, 2970761), (427, 2922060), (434, 2874930), (465, 2683268), (610, 2045442), (620, 2012451), (651, 1916620), (732, 1704535), (854, 1461030), (868, 1437465), (915, 1363628), (930, 1341634), (1085, 1149972), (1220, 1022721), (1281, 974020), (1302, 958310), (1571, 794220), (1708, 730515), (1830, 681814), (1860, 670817), (1891, 659820), (2135, 584412), (2170, 574986), (2562, 487010), (2604, 479155), (3142, 397110), (3255, 383324), (3660, 340907), (3782, 329910), (4270, 292206), (4340, 287493), (4713, 264740), (5124, 243505), (5673, 219940), (6284, 198555), (6405, 194804), (6510, 191662), (7564, 164955), (7855, 158844), (8540, 146103), (9426, 132370), (9455, 131964), (10997, 113460), (11346, 109970), (12810, 97402), (13020, 95831), (13237, 94260), (15710, 79422), (18852, 66185), (18910, 65982), (21994, 56730), (22692, 54985), (23565, 52948), (25620, 48701), (26474, 47130), (28365, 43988), (31420, 39711), (32991, 37820)]