1285304640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43189}}^1$

素因数の和:43240

約数の個数: 112

約数和(自身を含む): 4212579840

約数和(自身を除く): 2927275200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 9920, 14880, 29760, 43189, 86378, 129567, 172756, 215945, 259134, 345512, 431890, 518268, 647835, 691024, 863780, 1036536, 1295670, 1338859, 1382048, 1727560, 2073072, 2591340, 2677718, 2764096, 3455120, 4016577, 4146144, 5182680, 5355436, 6694295, 6910240, 8033154, 8292288, 10365360, 10710872, 13388590, 13820480, 16066308, 20082885, 20730720, 21421744, 26777180, 32132616, 40165770, 41461440, 42843488, 53554360, 64265232, 80331540, 85686976, 107108720, 128530464, 160663080, 214217440, 257060928, 321326160, 428434880, 642652320, 1285304640]

約数ペア:

[(1, 1285304640), (2, 642652320), (3, 428434880), (4, 321326160), (5, 257060928), (6, 214217440), (8, 160663080), (10, 128530464), (12, 107108720), (15, 85686976), (16, 80331540), (20, 64265232), (24, 53554360), (30, 42843488), (31, 41461440), (32, 40165770), (40, 32132616), (48, 26777180), (60, 21421744), (62, 20730720), (64, 20082885), (80, 16066308), (93, 13820480), (96, 13388590), (120, 10710872), (124, 10365360), (155, 8292288), (160, 8033154), (186, 6910240), (192, 6694295), (240, 5355436), (248, 5182680), (310, 4146144), (320, 4016577), (372, 3455120), (465, 2764096), (480, 2677718), (496, 2591340), (620, 2073072), (744, 1727560), (930, 1382048), (960, 1338859), (992, 1295670), (1240, 1036536), (1488, 863780), (1860, 691024), (1984, 647835), (2480, 518268), (2976, 431890), (3720, 345512), (4960, 259134), (5952, 215945), (7440, 172756), (9920, 129567), (14880, 86378), (29760, 43189)]