642051540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 288

約数和(自身を含む): 2219083776

約数和(自身を除く): 1577032236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 53, 60, 62, 65, 78, 90, 93, 106, 117, 124, 130, 155, 156, 159, 167, 180, 186, 195, 212, 234, 260, 265, 279, 310, 318, 334, 372, 390, 403, 465, 468, 477, 501, 530, 558, 585, 620, 636, 668, 689, 780, 795, 806, 835, 930, 954, 1002, 1060, 1116, 1170, 1209, 1378, 1395, 1503, 1590, 1612, 1643, 1670, 1860, 1908, 2004, 2015, 2067, 2171, 2340, 2385, 2418, 2505, 2756, 2790, 3006, 3180, 3286, 3340, 3445, 3627, 4030, 4134, 4342, 4770, 4836, 4929, 5010, 5177, 5580, 6012, 6045, 6201, 6513, 6572, 6890, 7254, 7515, 8060, 8215, 8268, 8684, 8851, 9540, 9858, 10020, 10335, 10354, 10855, 12090, 12402, 13026, 13780, 14508, 14787, 15030, 15531, 16430, 17702, 18135, 19539, 19716, 20670, 20708, 21359, 21710, 24180, 24645, 24804, 25885, 26052, 26553, 29574, 30060, 31005, 31062, 32565, 32860, 35404, 36270, 39078, 41340, 42718, 43420, 44255, 46593, 49290, 51770, 53106, 59148, 62010, 62124, 64077, 65130, 67301, 72540, 73935, 77655, 78156, 79659, 85436, 88510, 93186, 97695, 98580, 103540, 106212, 106795, 115063, 124020, 128154, 130260, 132765, 134602, 147870, 155310, 159318, 177020, 186372, 192231, 195390, 201903, 213590, 230126, 232965, 256308, 265530, 269204, 274381, 295740, 310620, 318636, 320385, 336505, 345189, 384462, 390780, 398295, 403806, 427180, 460252, 465930, 531060, 548762, 575315, 605709, 640770, 673010, 690378, 768924, 796590, 807612, 823143, 931860, 961155, 1009515, 1035567, 1097524, 1150630, 1211418, 1281540, 1346020, 1371905, 1380756, 1593180, 1646286, 1725945, 1922310, 2019030, 2071134, 2301260, 2422836, 2469429, 2743810, 3028545, 3292572, 3451890, 3566953, 3844620, 4038060, 4115715, 4142268, 4938858, 5177835, 5487620, 6057090, 6903780, 7133906, 8231430, 9877716, 10355670, 10700859, 12114180, 12347145, 14267812, 16462860, 17834765, 20711340, 21401718, 24694290, 32102577, 35669530, 42803436, 49388580, 53504295, 64205154, 71339060, 107008590, 128410308, 160512885, 214017180, 321025770, 642051540]

約数ペア:

[(1, 642051540), (2, 321025770), (3, 214017180), (4, 160512885), (5, 128410308), (6, 107008590), (9, 71339060), (10, 64205154), (12, 53504295), (13, 49388580), (15, 42803436), (18, 35669530), (20, 32102577), (26, 24694290), (30, 21401718), (31, 20711340), (36, 17834765), (39, 16462860), (45, 14267812), (52, 12347145), (53, 12114180), (60, 10700859), (62, 10355670), (65, 9877716), (78, 8231430), (90, 7133906), (93, 6903780), (106, 6057090), (117, 5487620), (124, 5177835), (130, 4938858), (155, 4142268), (156, 4115715), (159, 4038060), (167, 3844620), (180, 3566953), (186, 3451890), (195, 3292572), (212, 3028545), (234, 2743810), (260, 2469429), (265, 2422836), (279, 2301260), (310, 2071134), (318, 2019030), (334, 1922310), (372, 1725945), (390, 1646286), (403, 1593180), (465, 1380756), (468, 1371905), (477, 1346020), (501, 1281540), (530, 1211418), (558, 1150630), (585, 1097524), (620, 1035567), (636, 1009515), (668, 961155), (689, 931860), (780, 823143), (795, 807612), (806, 796590), (835, 768924), (930, 690378), (954, 673010), (1002, 640770), (1060, 605709), (1116, 575315), (1170, 548762), (1209, 531060), (1378, 465930), (1395, 460252), (1503, 427180), (1590, 403806), (1612, 398295), (1643, 390780), (1670, 384462), (1860, 345189), (1908, 336505), (2004, 320385), (2015, 318636), (2067, 310620), (2171, 295740), (2340, 274381), (2385, 269204), (2418, 265530), (2505, 256308), (2756, 232965), (2790, 230126), (3006, 213590), (3180, 201903), (3286, 195390), (3340, 192231), (3445, 186372), (3627, 177020), (4030, 159318), (4134, 155310), (4342, 147870), (4770, 134602), (4836, 132765), (4929, 130260), (5010, 128154), (5177, 124020), (5580, 115063), (6012, 106795), (6045, 106212), (6201, 103540), (6513, 98580), (6572, 97695), (6890, 93186), (7254, 88510), (7515, 85436), (8060, 79659), (8215, 78156), (8268, 77655), (8684, 73935), (8851, 72540), (9540, 67301), (9858, 65130), (10020, 64077), (10335, 62124), (10354, 62010), (10855, 59148), (12090, 53106), (12402, 51770), (13026, 49290), (13780, 46593), (14508, 44255), (14787, 43420), (15030, 42718), (15531, 41340), (16430, 39078), (17702, 36270), (18135, 35404), (19539, 32860), (19716, 32565), (20670, 31062), (20708, 31005), (21359, 30060), (21710, 29574), (24180, 26553), (24645, 26052), (24804, 25885)]