20218103280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{301943}}^1$

素因数の和:301996

約数の個数: 160

約数和(自身を含む): 71886827520

約数和(自身を除く): 51668724240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 3348, 3720, 4185, 4464, 5580, 6696, 7440, 8370, 11160, 13392, 16740, 22320, 33480, 66960, 301943, 603886, 905829, 1207772, 1509715, 1811658, 2415544, 2717487, 3019430, 3623316, 4529145, 4831088, 5434974, 6038860, 7246632, 8152461, 9058290, 9360233, 10869948, 12077720, 13587435, 14493264, 16304922, 18116580, 18720466, 21739896, 24155440, 27174870, 28080699, 32609844, 36233160, 37440932, 40762305, 43479792, 46801165, 54349740, 56161398, 65219688, 72466320, 74881864, 81524610, 84242097, 93602330, 108699480, 112322796, 130439376, 140403495, 149763728, 163049220, 168484194, 187204660, 217398960, 224645592, 252726291, 280806990, 326098440, 336968388, 374409320, 421210485, 449291184, 505452582, 561613980, 652196880, 673936776, 748818640, 842420970, 1010905164, 1123227960, 1263631455, 1347873552, 1684841940, 2021810328, 2246455920, 2527262910, 3369683880, 4043620656, 5054525820, 6739367760, 10109051640, 20218103280]

約数ペア:

[(1, 20218103280), (2, 10109051640), (3, 6739367760), (4, 5054525820), (5, 4043620656), (6, 3369683880), (8, 2527262910), (9, 2246455920), (10, 2021810328), (12, 1684841940), (15, 1347873552), (16, 1263631455), (18, 1123227960), (20, 1010905164), (24, 842420970), (27, 748818640), (30, 673936776), (31, 652196880), (36, 561613980), (40, 505452582), (45, 449291184), (48, 421210485), (54, 374409320), (60, 336968388), (62, 326098440), (72, 280806990), (80, 252726291), (90, 224645592), (93, 217398960), (108, 187204660), (120, 168484194), (124, 163049220), (135, 149763728), (144, 140403495), (155, 130439376), (180, 112322796), (186, 108699480), (216, 93602330), (240, 84242097), (248, 81524610), (270, 74881864), (279, 72466320), (310, 65219688), (360, 56161398), (372, 54349740), (432, 46801165), (465, 43479792), (496, 40762305), (540, 37440932), (558, 36233160), (620, 32609844), (720, 28080699), (744, 27174870), (837, 24155440), (930, 21739896), (1080, 18720466), (1116, 18116580), (1240, 16304922), (1395, 14493264), (1488, 13587435), (1674, 12077720), (1860, 10869948), (2160, 9360233), (2232, 9058290), (2480, 8152461), (2790, 7246632), (3348, 6038860), (3720, 5434974), (4185, 4831088), (4464, 4529145), (5580, 3623316), (6696, 3019430), (7440, 2717487), (8370, 2415544), (11160, 1811658), (13392, 1509715), (16740, 1207772), (22320, 905829), (33480, 603886), (66960, 301943)]