1920625020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2357}}^1$

素因数の和:2881

約数の個数: 120

約数和(自身を含む): 6039611424

約数和(自身を除く): 4118986404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 503, 540, 810, 1006, 1509, 1620, 2012, 2357, 2515, 3018, 4527, 4714, 5030, 6036, 7071, 7545, 9054, 9428, 10060, 11785, 13581, 14142, 15090, 18108, 21213, 22635, 23570, 27162, 28284, 30180, 35355, 40743, 42426, 45270, 47140, 54324, 63639, 67905, 70710, 81486, 84852, 90540, 106065, 127278, 135810, 141420, 162972, 190917, 203715, 212130, 254556, 271620, 318195, 381834, 407430, 424260, 636390, 763668, 814860, 954585, 1185571, 1272780, 1909170, 2371142, 3556713, 3818340, 4742284, 5927855, 7113426, 10670139, 11855710, 14226852, 17783565, 21340278, 23711420, 32010417, 35567130, 42680556, 53350695, 64020834, 71134260, 96031251, 106701390, 128041668, 160052085, 192062502, 213402780, 320104170, 384125004, 480156255, 640208340, 960312510, 1920625020]

約数ペア:

[(1, 1920625020), (2, 960312510), (3, 640208340), (4, 480156255), (5, 384125004), (6, 320104170), (9, 213402780), (10, 192062502), (12, 160052085), (15, 128041668), (18, 106701390), (20, 96031251), (27, 71134260), (30, 64020834), (36, 53350695), (45, 42680556), (54, 35567130), (60, 32010417), (81, 23711420), (90, 21340278), (108, 17783565), (135, 14226852), (162, 11855710), (180, 10670139), (270, 7113426), (324, 5927855), (405, 4742284), (503, 3818340), (540, 3556713), (810, 2371142), (1006, 1909170), (1509, 1272780), (1620, 1185571), (2012, 954585), (2357, 814860), (2515, 763668), (3018, 636390), (4527, 424260), (4714, 407430), (5030, 381834), (6036, 318195), (7071, 271620), (7545, 254556), (9054, 212130), (9428, 203715), (10060, 190917), (11785, 162972), (13581, 141420), (14142, 135810), (15090, 127278), (18108, 106065), (21213, 90540), (22635, 84852), (23570, 81486), (27162, 70710), (28284, 67905), (30180, 63639), (35355, 54324), (40743, 47140), (42426, 45270)]