163890180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 535901184

約数和(自身を除く): 372011004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1277, 1380, 1395, 1426, 1860, 2070, 2139, 2554, 2790, 2852, 3565, 3831, 4140, 4278, 5108, 5580, 6385, 6417, 7130, 7662, 8556, 10695, 11493, 12770, 12834, 14260, 15324, 19155, 21390, 22986, 25540, 25668, 29371, 32085, 38310, 39587, 42780, 45972, 57465, 58742, 64170, 76620, 79174, 88113, 114930, 117484, 118761, 128340, 146855, 158348, 176226, 197935, 229860, 237522, 264339, 293710, 352452, 356283, 395870, 440565, 475044, 528678, 587420, 593805, 712566, 791740, 881130, 910501, 1057356, 1187610, 1321695, 1425132, 1762260, 1781415, 1821002, 2375220, 2643390, 2731503, 3562830, 3642004, 4552505, 5286780, 5463006, 7125660, 8194509, 9105010, 10926012, 13657515, 16389018, 18210020, 27315030, 32778036, 40972545, 54630060, 81945090, 163890180]

約数ペア:

[(1, 163890180), (2, 81945090), (3, 54630060), (4, 40972545), (5, 32778036), (6, 27315030), (9, 18210020), (10, 16389018), (12, 13657515), (15, 10926012), (18, 9105010), (20, 8194509), (23, 7125660), (30, 5463006), (31, 5286780), (36, 4552505), (45, 3642004), (46, 3562830), (60, 2731503), (62, 2643390), (69, 2375220), (90, 1821002), (92, 1781415), (93, 1762260), (115, 1425132), (124, 1321695), (138, 1187610), (155, 1057356), (180, 910501), (186, 881130), (207, 791740), (230, 712566), (276, 593805), (279, 587420), (310, 528678), (345, 475044), (372, 440565), (414, 395870), (460, 356283), (465, 352452), (558, 293710), (620, 264339), (690, 237522), (713, 229860), (828, 197935), (930, 176226), (1035, 158348), (1116, 146855), (1277, 128340), (1380, 118761), (1395, 117484), (1426, 114930), (1860, 88113), (2070, 79174), (2139, 76620), (2554, 64170), (2790, 58742), (2852, 57465), (3565, 45972), (3831, 42780), (4140, 39587), (4278, 38310), (5108, 32085), (5580, 29371), (6385, 25668), (6417, 25540), (7130, 22986), (7662, 21390), (8556, 19155), (10695, 15324), (11493, 14260), (12770, 12834)]