253161720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{33487}}^1$

素因数の和:33514

約数の個数: 128

約数和(自身を含む): 964454400

約数和(自身を除く): 711292680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 33487, 66974, 100461, 133948, 167435, 200922, 234409, 267896, 301383, 334870, 401844, 468818, 502305, 602766, 669740, 703227, 803688, 904149, 937636, 1004610, 1172045, 1205532, 1339480, 1406454, 1506915, 1808298, 1875272, 2009220, 2109681, 2344090, 2411064, 2812908, 3013830, 3516135, 3616596, 4018440, 4219362, 4520745, 4688180, 5625816, 6027660, 6329043, 7032270, 7233192, 8438724, 9041490, 9376360, 10548405, 12055320, 12658086, 14064540, 16877448, 18082980, 21096810, 25316172, 28129080, 31645215, 36165960, 42193620, 50632344, 63290430, 84387240, 126580860, 253161720]

約数ペア:

[(1, 253161720), (2, 126580860), (3, 84387240), (4, 63290430), (5, 50632344), (6, 42193620), (7, 36165960), (8, 31645215), (9, 28129080), (10, 25316172), (12, 21096810), (14, 18082980), (15, 16877448), (18, 14064540), (20, 12658086), (21, 12055320), (24, 10548405), (27, 9376360), (28, 9041490), (30, 8438724), (35, 7233192), (36, 7032270), (40, 6329043), (42, 6027660), (45, 5625816), (54, 4688180), (56, 4520745), (60, 4219362), (63, 4018440), (70, 3616596), (72, 3516135), (84, 3013830), (90, 2812908), (105, 2411064), (108, 2344090), (120, 2109681), (126, 2009220), (135, 1875272), (140, 1808298), (168, 1506915), (180, 1406454), (189, 1339480), (210, 1205532), (216, 1172045), (252, 1004610), (270, 937636), (280, 904149), (315, 803688), (360, 703227), (378, 669740), (420, 602766), (504, 502305), (540, 468818), (630, 401844), (756, 334870), (840, 301383), (945, 267896), (1080, 234409), (1260, 200922), (1512, 167435), (1890, 133948), (2520, 100461), (3780, 66974), (7560, 33487)]