815421420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1357

約数の個数: 216

約数和(自身を含む): 2814673680

約数和(自身を除く): 1999252260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 121, 132, 145, 165, 174, 180, 198, 220, 242, 261, 290, 319, 330, 348, 363, 396, 435, 484, 495, 522, 580, 605, 638, 660, 726, 870, 957, 990, 1044, 1089, 1210, 1276, 1291, 1305, 1452, 1595, 1740, 1815, 1914, 1980, 2178, 2420, 2582, 2610, 2871, 3190, 3509, 3630, 3828, 3873, 4356, 4785, 5164, 5220, 5445, 5742, 6380, 6455, 7018, 7260, 7746, 9570, 10527, 10890, 11484, 11619, 12910, 14036, 14201, 14355, 15492, 17545, 19140, 19365, 21054, 21780, 23238, 25820, 28402, 28710, 31581, 35090, 37439, 38730, 42108, 42603, 46476, 52635, 56804, 57420, 58095, 63162, 70180, 71005, 74878, 77460, 85206, 105270, 112317, 116190, 126324, 127809, 142010, 149756, 156211, 157905, 170412, 187195, 210540, 213015, 224634, 232380, 255618, 284020, 312422, 315810, 336951, 374390, 411829, 426030, 449268, 468633, 511236, 561585, 624844, 631620, 639045, 673902, 748780, 781055, 823658, 852060, 937266, 1123170, 1235487, 1278090, 1347804, 1405899, 1562110, 1647316, 1684755, 1874532, 2059145, 2246340, 2343165, 2470974, 2556180, 2811798, 3124220, 3369510, 3706461, 4118290, 4530119, 4686330, 4941948, 5623596, 6177435, 6739020, 7029495, 7412922, 8236580, 9060238, 9372660, 12354870, 13590357, 14058990, 14825844, 18120476, 18532305, 22650595, 24709740, 27180714, 28117980, 37064610, 40771071, 45301190, 54361428, 67951785, 74129220, 81542142, 90602380, 135903570, 163084284, 203855355, 271807140, 407710710, 815421420]

約数ペア:

[(1, 815421420), (2, 407710710), (3, 271807140), (4, 203855355), (5, 163084284), (6, 135903570), (9, 90602380), (10, 81542142), (11, 74129220), (12, 67951785), (15, 54361428), (18, 45301190), (20, 40771071), (22, 37064610), (29, 28117980), (30, 27180714), (33, 24709740), (36, 22650595), (44, 18532305), (45, 18120476), (55, 14825844), (58, 14058990), (60, 13590357), (66, 12354870), (87, 9372660), (90, 9060238), (99, 8236580), (110, 7412922), (116, 7029495), (121, 6739020), (132, 6177435), (145, 5623596), (165, 4941948), (174, 4686330), (180, 4530119), (198, 4118290), (220, 3706461), (242, 3369510), (261, 3124220), (290, 2811798), (319, 2556180), (330, 2470974), (348, 2343165), (363, 2246340), (396, 2059145), (435, 1874532), (484, 1684755), (495, 1647316), (522, 1562110), (580, 1405899), (605, 1347804), (638, 1278090), (660, 1235487), (726, 1123170), (870, 937266), (957, 852060), (990, 823658), (1044, 781055), (1089, 748780), (1210, 673902), (1276, 639045), (1291, 631620), (1305, 624844), (1452, 561585), (1595, 511236), (1740, 468633), (1815, 449268), (1914, 426030), (1980, 411829), (2178, 374390), (2420, 336951), (2582, 315810), (2610, 312422), (2871, 284020), (3190, 255618), (3509, 232380), (3630, 224634), (3828, 213015), (3873, 210540), (4356, 187195), (4785, 170412), (5164, 157905), (5220, 156211), (5445, 149756), (5742, 142010), (6380, 127809), (6455, 126324), (7018, 116190), (7260, 112317), (7746, 105270), (9570, 85206), (10527, 77460), (10890, 74878), (11484, 71005), (11619, 70180), (12910, 63162), (14036, 58095), (14201, 57420), (14355, 56804), (15492, 52635), (17545, 46476), (19140, 42603), (19365, 42108), (21054, 38730), (21780, 37439), (23238, 35090), (25820, 31581), (28402, 28710)]