219828120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 687960000

約数和(自身を除く): 468131880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 181, 232, 290, 348, 349, 362, 435, 543, 580, 696, 698, 724, 870, 905, 1047, 1086, 1160, 1396, 1448, 1740, 1745, 1810, 2094, 2172, 2715, 2792, 3480, 3490, 3620, 4188, 4344, 5235, 5249, 5430, 6980, 7240, 8376, 10121, 10470, 10498, 10860, 13960, 15747, 20242, 20940, 20996, 21720, 26245, 30363, 31494, 40484, 41880, 41992, 50605, 52490, 60726, 62988, 63169, 78735, 80968, 101210, 104980, 121452, 125976, 126338, 151815, 157470, 189507, 202420, 209960, 242904, 252676, 303630, 314940, 315845, 379014, 404840, 505352, 607260, 629880, 631690, 758028, 947535, 1214520, 1263380, 1516056, 1831901, 1895070, 2526760, 3663802, 3790140, 5495703, 7327604, 7580280, 9159505, 10991406, 14655208, 18319010, 21982812, 27478515, 36638020, 43965624, 54957030, 73276040, 109914060, 219828120]

約数ペア:

[(1, 219828120), (2, 109914060), (3, 73276040), (4, 54957030), (5, 43965624), (6, 36638020), (8, 27478515), (10, 21982812), (12, 18319010), (15, 14655208), (20, 10991406), (24, 9159505), (29, 7580280), (30, 7327604), (40, 5495703), (58, 3790140), (60, 3663802), (87, 2526760), (116, 1895070), (120, 1831901), (145, 1516056), (174, 1263380), (181, 1214520), (232, 947535), (290, 758028), (348, 631690), (349, 629880), (362, 607260), (435, 505352), (543, 404840), (580, 379014), (696, 315845), (698, 314940), (724, 303630), (870, 252676), (905, 242904), (1047, 209960), (1086, 202420), (1160, 189507), (1396, 157470), (1448, 151815), (1740, 126338), (1745, 125976), (1810, 121452), (2094, 104980), (2172, 101210), (2715, 80968), (2792, 78735), (3480, 63169), (3490, 62988), (3620, 60726), (4188, 52490), (4344, 50605), (5235, 41992), (5249, 41880), (5430, 40484), (6980, 31494), (7240, 30363), (8376, 26245), (10121, 21720), (10470, 20996), (10498, 20940), (10860, 20242), (13960, 15747)]