315981540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:671

約数の個数: 192

約数和(自身を含む): 1132185600

約数和(自身を除く): 816204060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 179, 180, 189, 210, 252, 270, 315, 358, 378, 420, 467, 537, 540, 630, 716, 756, 895, 934, 945, 1074, 1253, 1260, 1401, 1611, 1790, 1868, 1890, 2148, 2335, 2506, 2685, 2802, 3222, 3269, 3580, 3759, 3780, 4203, 4670, 4833, 5012, 5370, 5604, 6265, 6444, 6538, 7005, 7518, 8055, 8406, 9340, 9666, 9807, 10740, 11277, 12530, 12609, 13076, 14010, 15036, 16110, 16345, 16812, 18795, 19332, 19614, 21015, 22554, 24165, 25060, 25218, 28020, 29421, 32220, 32690, 33831, 37590, 39228, 42030, 45108, 48330, 49035, 50436, 56385, 58842, 63045, 65380, 67662, 75180, 83593, 84060, 88263, 96660, 98070, 112770, 117684, 126090, 135324, 147105, 167186, 169155, 176526, 196140, 225540, 250779, 252180, 294210, 334372, 338310, 353052, 417965, 441315, 501558, 585151, 588420, 676620, 752337, 835930, 882630, 1003116, 1170302, 1253895, 1504674, 1671860, 1755453, 1765260, 2257011, 2340604, 2507790, 2925755, 3009348, 3510906, 3761685, 4514022, 5015580, 5266359, 5851510, 7021812, 7523370, 8777265, 9028044, 10532718, 11285055, 11703020, 15046740, 15799077, 17554530, 21065436, 22570110, 26331795, 31598154, 35109060, 45140220, 52663590, 63196308, 78995385, 105327180, 157990770, 315981540]

約数ペア:

[(1, 315981540), (2, 157990770), (3, 105327180), (4, 78995385), (5, 63196308), (6, 52663590), (7, 45140220), (9, 35109060), (10, 31598154), (12, 26331795), (14, 22570110), (15, 21065436), (18, 17554530), (20, 15799077), (21, 15046740), (27, 11703020), (28, 11285055), (30, 10532718), (35, 9028044), (36, 8777265), (42, 7523370), (45, 7021812), (54, 5851510), (60, 5266359), (63, 5015580), (70, 4514022), (84, 3761685), (90, 3510906), (105, 3009348), (108, 2925755), (126, 2507790), (135, 2340604), (140, 2257011), (179, 1765260), (180, 1755453), (189, 1671860), (210, 1504674), (252, 1253895), (270, 1170302), (315, 1003116), (358, 882630), (378, 835930), (420, 752337), (467, 676620), (537, 588420), (540, 585151), (630, 501558), (716, 441315), (756, 417965), (895, 353052), (934, 338310), (945, 334372), (1074, 294210), (1253, 252180), (1260, 250779), (1401, 225540), (1611, 196140), (1790, 176526), (1868, 169155), (1890, 167186), (2148, 147105), (2335, 135324), (2506, 126090), (2685, 117684), (2802, 112770), (3222, 98070), (3269, 96660), (3580, 88263), (3759, 84060), (3780, 83593), (4203, 75180), (4670, 67662), (4833, 65380), (5012, 63045), (5370, 58842), (5604, 56385), (6265, 50436), (6444, 49035), (6538, 48330), (7005, 45108), (7518, 42030), (8055, 39228), (8406, 37590), (9340, 33831), (9666, 32690), (9807, 32220), (10740, 29421), (11277, 28020), (12530, 25218), (12609, 25060), (13076, 24165), (14010, 22554), (15036, 21015), (16110, 19614), (16345, 19332), (16812, 18795)]