258697320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1171}}^1$

素因数の和:1455

約数の個数: 128

約数和(自身を含む): 891095040

約数和(自身を除く): 632397720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 263, 280, 420, 526, 789, 840, 1052, 1171, 1315, 1578, 1841, 2104, 2342, 2630, 3156, 3513, 3682, 3945, 4684, 5260, 5523, 5855, 6312, 7026, 7364, 7890, 8197, 9205, 9368, 10520, 11046, 11710, 14052, 14728, 15780, 16394, 17565, 18410, 22092, 23420, 24591, 27615, 28104, 31560, 32788, 35130, 36820, 40985, 44184, 46840, 49182, 55230, 65576, 70260, 73640, 81970, 98364, 110460, 122955, 140520, 163940, 196728, 220920, 245910, 307973, 327880, 491820, 615946, 923919, 983640, 1231892, 1539865, 1847838, 2155811, 2463784, 3079730, 3695676, 4311622, 4619595, 6159460, 6467433, 7391352, 8623244, 9239190, 10779055, 12318920, 12934866, 17246488, 18478380, 21558110, 25869732, 32337165, 36956760, 43116220, 51739464, 64674330, 86232440, 129348660, 258697320]

約数ペア:

[(1, 258697320), (2, 129348660), (3, 86232440), (4, 64674330), (5, 51739464), (6, 43116220), (7, 36956760), (8, 32337165), (10, 25869732), (12, 21558110), (14, 18478380), (15, 17246488), (20, 12934866), (21, 12318920), (24, 10779055), (28, 9239190), (30, 8623244), (35, 7391352), (40, 6467433), (42, 6159460), (56, 4619595), (60, 4311622), (70, 3695676), (84, 3079730), (105, 2463784), (120, 2155811), (140, 1847838), (168, 1539865), (210, 1231892), (263, 983640), (280, 923919), (420, 615946), (526, 491820), (789, 327880), (840, 307973), (1052, 245910), (1171, 220920), (1315, 196728), (1578, 163940), (1841, 140520), (2104, 122955), (2342, 110460), (2630, 98364), (3156, 81970), (3513, 73640), (3682, 70260), (3945, 65576), (4684, 55230), (5260, 49182), (5523, 46840), (5855, 44184), (6312, 40985), (7026, 36820), (7364, 35130), (7890, 32788), (8197, 31560), (9205, 28104), (9368, 27615), (10520, 24591), (11046, 23420), (11710, 22092), (14052, 18410), (14728, 17565), (15780, 16394)]