451516240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 120

約数和(自身を含む): 1241170560

約数和(自身を除く): 789654320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 839, 868, 961, 1085, 1240, 1678, 1736, 1922, 2170, 2480, 3356, 3472, 3844, 4195, 4340, 4805, 5873, 6712, 6727, 7688, 8390, 8680, 9610, 11746, 13424, 13454, 15376, 16780, 17360, 19220, 23492, 26009, 26908, 29365, 33560, 33635, 38440, 46984, 52018, 53816, 58730, 67120, 67270, 76880, 93968, 104036, 107632, 117460, 130045, 134540, 182063, 208072, 234920, 260090, 269080, 364126, 416144, 469840, 520180, 538160, 728252, 806279, 910315, 1040360, 1456504, 1612558, 1820630, 2080720, 2913008, 3225116, 3641260, 4031395, 5643953, 6450232, 7282520, 8062790, 11287906, 12900464, 14565040, 16125580, 22575812, 28219765, 32251160, 45151624, 56439530, 64502320, 90303248, 112879060, 225758120, 451516240]

約数ペア:

[(1, 451516240), (2, 225758120), (4, 112879060), (5, 90303248), (7, 64502320), (8, 56439530), (10, 45151624), (14, 32251160), (16, 28219765), (20, 22575812), (28, 16125580), (31, 14565040), (35, 12900464), (40, 11287906), (56, 8062790), (62, 7282520), (70, 6450232), (80, 5643953), (112, 4031395), (124, 3641260), (140, 3225116), (155, 2913008), (217, 2080720), (248, 1820630), (280, 1612558), (310, 1456504), (434, 1040360), (496, 910315), (560, 806279), (620, 728252), (839, 538160), (868, 520180), (961, 469840), (1085, 416144), (1240, 364126), (1678, 269080), (1736, 260090), (1922, 234920), (2170, 208072), (2480, 182063), (3356, 134540), (3472, 130045), (3844, 117460), (4195, 107632), (4340, 104036), (4805, 93968), (5873, 76880), (6712, 67270), (6727, 67120), (7688, 58730), (8390, 53816), (8680, 52018), (9610, 46984), (11746, 38440), (13424, 33635), (13454, 33560), (15376, 29365), (16780, 26908), (17360, 26009), (19220, 23492)]