245719020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:488

約数の個数: 192

約数和(自身を含む): 793497600

約数和(自身を除く): 547778580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 31, 34, 38, 51, 57, 60, 62, 68, 76, 85, 93, 95, 102, 114, 124, 155, 170, 186, 190, 204, 228, 255, 285, 310, 323, 340, 372, 380, 409, 465, 510, 527, 570, 589, 620, 646, 818, 930, 969, 1020, 1054, 1140, 1178, 1227, 1292, 1581, 1615, 1636, 1767, 1860, 1938, 2045, 2108, 2356, 2454, 2635, 2945, 3162, 3230, 3534, 3876, 4090, 4845, 4908, 5270, 5890, 6135, 6324, 6460, 6953, 7068, 7771, 7905, 8180, 8835, 9690, 10013, 10540, 11780, 12270, 12679, 13906, 15542, 15810, 17670, 19380, 20026, 20859, 23313, 24540, 25358, 27812, 30039, 31084, 31620, 34765, 35340, 38037, 38855, 40052, 41718, 46626, 50065, 50716, 60078, 63395, 69530, 76074, 77710, 83436, 93252, 100130, 104295, 116565, 120156, 126790, 132107, 139060, 150195, 152148, 155420, 190185, 200260, 208590, 215543, 233130, 240901, 253580, 264214, 300390, 380370, 396321, 417180, 431086, 466260, 481802, 528428, 600780, 646629, 660535, 722703, 760740, 792642, 862172, 963604, 1077715, 1204505, 1293258, 1321070, 1445406, 1585284, 1981605, 2155430, 2409010, 2586516, 2642140, 2890812, 3233145, 3613515, 3963210, 4095317, 4310860, 4818020, 6466290, 7227030, 7926420, 8190634, 12285951, 12932580, 14454060, 16381268, 20476585, 24571902, 40953170, 49143804, 61429755, 81906340, 122859510, 245719020]

約数ペア:

[(1, 245719020), (2, 122859510), (3, 81906340), (4, 61429755), (5, 49143804), (6, 40953170), (10, 24571902), (12, 20476585), (15, 16381268), (17, 14454060), (19, 12932580), (20, 12285951), (30, 8190634), (31, 7926420), (34, 7227030), (38, 6466290), (51, 4818020), (57, 4310860), (60, 4095317), (62, 3963210), (68, 3613515), (76, 3233145), (85, 2890812), (93, 2642140), (95, 2586516), (102, 2409010), (114, 2155430), (124, 1981605), (155, 1585284), (170, 1445406), (186, 1321070), (190, 1293258), (204, 1204505), (228, 1077715), (255, 963604), (285, 862172), (310, 792642), (323, 760740), (340, 722703), (372, 660535), (380, 646629), (409, 600780), (465, 528428), (510, 481802), (527, 466260), (570, 431086), (589, 417180), (620, 396321), (646, 380370), (818, 300390), (930, 264214), (969, 253580), (1020, 240901), (1054, 233130), (1140, 215543), (1178, 208590), (1227, 200260), (1292, 190185), (1581, 155420), (1615, 152148), (1636, 150195), (1767, 139060), (1860, 132107), (1938, 126790), (2045, 120156), (2108, 116565), (2356, 104295), (2454, 100130), (2635, 93252), (2945, 83436), (3162, 77710), (3230, 76074), (3534, 69530), (3876, 63395), (4090, 60078), (4845, 50716), (4908, 50065), (5270, 46626), (5890, 41718), (6135, 40052), (6324, 38855), (6460, 38037), (6953, 35340), (7068, 34765), (7771, 31620), (7905, 31084), (8180, 30039), (8835, 27812), (9690, 25358), (10013, 24540), (10540, 23313), (11780, 20859), (12270, 20026), (12679, 19380), (13906, 17670), (15542, 15810)]