20723170320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{6661}}^1$

素因数の和:6858

約数の個数: 240

約数和(自身を含む): 72489222000

約数和(自身を除く): 51766051680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 149, 174, 180, 232, 240, 261, 290, 298, 348, 360, 435, 447, 464, 522, 580, 596, 696, 720, 745, 870, 894, 1044, 1160, 1192, 1305, 1341, 1392, 1490, 1740, 1788, 2088, 2235, 2320, 2384, 2610, 2682, 2980, 3480, 3576, 4176, 4321, 4470, 5220, 5364, 5960, 6661, 6705, 6960, 7152, 8642, 8940, 10440, 10728, 11920, 12963, 13322, 13410, 17284, 17880, 19983, 20880, 21456, 21605, 25926, 26644, 26820, 33305, 34568, 35760, 38889, 39966, 43210, 51852, 53288, 53640, 59949, 64815, 66610, 69136, 77778, 79932, 86420, 99915, 103704, 106576, 107280, 119898, 129630, 133220, 155556, 159864, 172840, 193169, 194445, 199830, 207408, 239796, 259260, 266440, 299745, 311112, 319728, 345680, 386338, 388890, 399660, 479592, 518520, 532880, 579507, 599490, 622224, 772676, 777780, 799320, 959184, 965845, 992489, 1037040, 1159014, 1198980, 1545352, 1555560, 1598640, 1738521, 1931690, 1984978, 2318028, 2397960, 2897535, 2977467, 3090704, 3111120, 3477042, 3863380, 3969956, 4636056, 4795920, 4962445, 5795070, 5954934, 6954084, 7726760, 7939912, 8692605, 8932401, 9272112, 9924890, 11590140, 11909868, 13908168, 14887335, 15453520, 15879824, 17385210, 17864802, 19849780, 23180280, 23819736, 27816336, 28782181, 29774670, 34770420, 35729604, 39699560, 44662005, 46360560, 47639472, 57564362, 59549340, 69540840, 71459208, 79399120, 86346543, 89324010, 115128724, 119098680, 139081680, 142918416, 143910905, 172693086, 178648020, 230257448, 238197360, 259039629, 287821810, 345386172, 357296040, 431732715, 460514896, 518079258, 575643620, 690772344, 714592080, 863465430, 1036158516, 1151287240, 1295198145, 1381544688, 1726930860, 2072317032, 2302574480, 2590396290, 3453861720, 4144634064, 5180792580, 6907723440, 10361585160, 20723170320]

約数ペア:

[(1, 20723170320), (2, 10361585160), (3, 6907723440), (4, 5180792580), (5, 4144634064), (6, 3453861720), (8, 2590396290), (9, 2302574480), (10, 2072317032), (12, 1726930860), (15, 1381544688), (16, 1295198145), (18, 1151287240), (20, 1036158516), (24, 863465430), (29, 714592080), (30, 690772344), (36, 575643620), (40, 518079258), (45, 460514896), (48, 431732715), (58, 357296040), (60, 345386172), (72, 287821810), (80, 259039629), (87, 238197360), (90, 230257448), (116, 178648020), (120, 172693086), (144, 143910905), (145, 142918416), (149, 139081680), (174, 119098680), (180, 115128724), (232, 89324010), (240, 86346543), (261, 79399120), (290, 71459208), (298, 69540840), (348, 59549340), (360, 57564362), (435, 47639472), (447, 46360560), (464, 44662005), (522, 39699560), (580, 35729604), (596, 34770420), (696, 29774670), (720, 28782181), (745, 27816336), (870, 23819736), (894, 23180280), (1044, 19849780), (1160, 17864802), (1192, 17385210), (1305, 15879824), (1341, 15453520), (1392, 14887335), (1490, 13908168), (1740, 11909868), (1788, 11590140), (2088, 9924890), (2235, 9272112), (2320, 8932401), (2384, 8692605), (2610, 7939912), (2682, 7726760), (2980, 6954084), (3480, 5954934), (3576, 5795070), (4176, 4962445), (4321, 4795920), (4470, 4636056), (5220, 3969956), (5364, 3863380), (5960, 3477042), (6661, 3111120), (6705, 3090704), (6960, 2977467), (7152, 2897535), (8642, 2397960), (8940, 2318028), (10440, 1984978), (10728, 1931690), (11920, 1738521), (12963, 1598640), (13322, 1555560), (13410, 1545352), (17284, 1198980), (17880, 1159014), (19983, 1037040), (20880, 992489), (21456, 965845), (21605, 959184), (25926, 799320), (26644, 777780), (26820, 772676), (33305, 622224), (34568, 599490), (35760, 579507), (38889, 532880), (39966, 518520), (43210, 479592), (51852, 399660), (53288, 388890), (53640, 386338), (59949, 345680), (64815, 319728), (66610, 311112), (69136, 299745), (77778, 266440), (79932, 259260), (86420, 239796), (99915, 207408), (103704, 199830), (106576, 194445), (107280, 193169), (119898, 172840), (129630, 159864), (133220, 155556)]