20161229340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{2579}}^1\times {\mathrm{2659}}^1$

素因数の和:5264

約数の個数: 144

約数和(自身を含む): 65718172800

約数和(自身を除く): 45556943460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2579, 2659, 2940, 5158, 5318, 7737, 7977, 10316, 10636, 12895, 13295, 15474, 15954, 18053, 18613, 25790, 26590, 30948, 31908, 36106, 37226, 38685, 39885, 51580, 53180, 54159, 55839, 72212, 74452, 77370, 79770, 90265, 93065, 108318, 111678, 126371, 130291, 154740, 159540, 180530, 186130, 216636, 223356, 252742, 260582, 270795, 279195, 361060, 372260, 379113, 390873, 505484, 521164, 541590, 558390, 631855, 651455, 758226, 781746, 1083180, 1116780, 1263710, 1302910, 1516452, 1563492, 1895565, 1954365, 2527420, 2605820, 3791130, 3908730, 6857561, 7582260, 7817460, 13715122, 20572683, 27430244, 34287805, 41145366, 48002927, 68575610, 82290732, 96005854, 102863415, 137151220, 144008781, 192011708, 205726830, 240014635, 288017562, 336020489, 411453660, 480029270, 576035124, 672040978, 720043905, 960058540, 1008061467, 1344081956, 1440087810, 1680102445, 2016122934, 2880175620, 3360204890, 4032245868, 5040307335, 6720409780, 10080614670, 20161229340]

約数ペア:

[(1, 20161229340), (2, 10080614670), (3, 6720409780), (4, 5040307335), (5, 4032245868), (6, 3360204890), (7, 2880175620), (10, 2016122934), (12, 1680102445), (14, 1440087810), (15, 1344081956), (20, 1008061467), (21, 960058540), (28, 720043905), (30, 672040978), (35, 576035124), (42, 480029270), (49, 411453660), (60, 336020489), (70, 288017562), (84, 240014635), (98, 205726830), (105, 192011708), (140, 144008781), (147, 137151220), (196, 102863415), (210, 96005854), (245, 82290732), (294, 68575610), (420, 48002927), (490, 41145366), (588, 34287805), (735, 27430244), (980, 20572683), (1470, 13715122), (2579, 7817460), (2659, 7582260), (2940, 6857561), (5158, 3908730), (5318, 3791130), (7737, 2605820), (7977, 2527420), (10316, 1954365), (10636, 1895565), (12895, 1563492), (13295, 1516452), (15474, 1302910), (15954, 1263710), (18053, 1116780), (18613, 1083180), (25790, 781746), (26590, 758226), (30948, 651455), (31908, 631855), (36106, 558390), (37226, 541590), (38685, 521164), (39885, 505484), (51580, 390873), (53180, 379113), (54159, 372260), (55839, 361060), (72212, 279195), (74452, 270795), (77370, 260582), (79770, 252742), (90265, 223356), (93065, 216636), (108318, 186130), (111678, 180530), (126371, 159540), (130291, 154740)]