1021470660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:855

約数の個数: 216

約数和(自身を含む): 3630070080

約数和(自身を除く): 2608599420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 179, 180, 196, 210, 245, 252, 294, 315, 358, 420, 441, 490, 537, 588, 630, 647, 716, 735, 882, 895, 980, 1074, 1253, 1260, 1294, 1470, 1611, 1764, 1790, 1941, 2148, 2205, 2506, 2588, 2685, 2940, 3222, 3235, 3580, 3759, 3882, 4410, 4529, 5012, 5370, 5823, 6265, 6444, 6470, 7518, 7764, 8055, 8771, 8820, 9058, 9705, 10740, 11277, 11646, 12530, 12940, 13587, 15036, 16110, 17542, 18116, 18795, 19410, 22554, 22645, 23292, 25060, 26313, 27174, 29115, 31703, 32220, 35084, 37590, 38820, 40761, 43855, 45108, 45290, 52626, 54348, 56385, 58230, 63406, 67935, 75180, 78939, 81522, 87710, 90580, 95109, 105252, 112770, 115813, 116460, 126812, 131565, 135870, 157878, 158515, 163044, 175420, 190218, 203805, 225540, 231626, 263130, 271740, 285327, 315756, 317030, 347439, 380436, 394695, 407610, 463252, 475545, 526260, 570654, 579065, 634060, 694878, 789390, 810691, 815220, 951090, 1042317, 1141308, 1158130, 1389756, 1426635, 1578780, 1621382, 1737195, 1902180, 2084634, 2316260, 2432073, 2853270, 3242764, 3474390, 4053455, 4169268, 4864146, 5211585, 5674837, 5706540, 6948780, 7296219, 8106910, 9728292, 10423170, 11349674, 12160365, 14592438, 16213820, 17024511, 20846340, 22699348, 24320730, 28374185, 29184876, 34049022, 36481095, 48641460, 51073533, 56748370, 68098044, 72962190, 85122555, 102147066, 113496740, 145924380, 170245110, 204294132, 255367665, 340490220, 510735330, 1021470660]

約数ペア:

[(1, 1021470660), (2, 510735330), (3, 340490220), (4, 255367665), (5, 204294132), (6, 170245110), (7, 145924380), (9, 113496740), (10, 102147066), (12, 85122555), (14, 72962190), (15, 68098044), (18, 56748370), (20, 51073533), (21, 48641460), (28, 36481095), (30, 34049022), (35, 29184876), (36, 28374185), (42, 24320730), (45, 22699348), (49, 20846340), (60, 17024511), (63, 16213820), (70, 14592438), (84, 12160365), (90, 11349674), (98, 10423170), (105, 9728292), (126, 8106910), (140, 7296219), (147, 6948780), (179, 5706540), (180, 5674837), (196, 5211585), (210, 4864146), (245, 4169268), (252, 4053455), (294, 3474390), (315, 3242764), (358, 2853270), (420, 2432073), (441, 2316260), (490, 2084634), (537, 1902180), (588, 1737195), (630, 1621382), (647, 1578780), (716, 1426635), (735, 1389756), (882, 1158130), (895, 1141308), (980, 1042317), (1074, 951090), (1253, 815220), (1260, 810691), (1294, 789390), (1470, 694878), (1611, 634060), (1764, 579065), (1790, 570654), (1941, 526260), (2148, 475545), (2205, 463252), (2506, 407610), (2588, 394695), (2685, 380436), (2940, 347439), (3222, 317030), (3235, 315756), (3580, 285327), (3759, 271740), (3882, 263130), (4410, 231626), (4529, 225540), (5012, 203805), (5370, 190218), (5823, 175420), (6265, 163044), (6444, 158515), (6470, 157878), (7518, 135870), (7764, 131565), (8055, 126812), (8771, 116460), (8820, 115813), (9058, 112770), (9705, 105252), (10740, 95109), (11277, 90580), (11646, 87710), (12530, 81522), (12940, 78939), (13587, 75180), (15036, 67935), (16110, 63406), (17542, 58230), (18116, 56385), (18795, 54348), (19410, 52626), (22554, 45290), (22645, 45108), (23292, 43855), (25060, 40761), (26313, 38820), (27174, 37590), (29115, 35084), (31703, 32220)]