1220548980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3557}}^1$

素因数の和:3638

約数の個数: 192

約数和(自身を含む): 4208117760

約数和(自身を除く): 2987568780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 43, 57, 60, 70, 76, 84, 86, 95, 105, 114, 129, 133, 140, 172, 190, 210, 215, 228, 258, 266, 285, 301, 380, 399, 420, 430, 516, 532, 570, 602, 645, 665, 798, 817, 860, 903, 1140, 1204, 1290, 1330, 1505, 1596, 1634, 1806, 1995, 2451, 2580, 2660, 3010, 3268, 3557, 3612, 3990, 4085, 4515, 4902, 5719, 6020, 7114, 7980, 8170, 9030, 9804, 10671, 11438, 12255, 14228, 16340, 17157, 17785, 18060, 21342, 22876, 24510, 24899, 28595, 34314, 35570, 42684, 49020, 49798, 53355, 57190, 67583, 68628, 71140, 74697, 85785, 99596, 106710, 114380, 124495, 135166, 149394, 152951, 171570, 202749, 213420, 248990, 270332, 298788, 305902, 337915, 343140, 373485, 405498, 458853, 473081, 497980, 611804, 675830, 746970, 764755, 810996, 917706, 946162, 1013745, 1070657, 1351660, 1419243, 1493940, 1529510, 1835412, 1892324, 2027490, 2141314, 2294265, 2365405, 2838486, 2906069, 3059020, 3211971, 4054980, 4282628, 4588530, 4730810, 5353285, 5676972, 5812138, 6423942, 7096215, 8718207, 9177060, 9461620, 10706570, 11624276, 12847884, 14192430, 14530345, 16059855, 17436414, 20342483, 21413140, 28384860, 29060690, 32119710, 34872828, 40684966, 43591035, 58121380, 61027449, 64239420, 81369932, 87182070, 101712415, 122054898, 174364140, 203424830, 244109796, 305137245, 406849660, 610274490, 1220548980]

約数ペア:

[(1, 1220548980), (2, 610274490), (3, 406849660), (4, 305137245), (5, 244109796), (6, 203424830), (7, 174364140), (10, 122054898), (12, 101712415), (14, 87182070), (15, 81369932), (19, 64239420), (20, 61027449), (21, 58121380), (28, 43591035), (30, 40684966), (35, 34872828), (38, 32119710), (42, 29060690), (43, 28384860), (57, 21413140), (60, 20342483), (70, 17436414), (76, 16059855), (84, 14530345), (86, 14192430), (95, 12847884), (105, 11624276), (114, 10706570), (129, 9461620), (133, 9177060), (140, 8718207), (172, 7096215), (190, 6423942), (210, 5812138), (215, 5676972), (228, 5353285), (258, 4730810), (266, 4588530), (285, 4282628), (301, 4054980), (380, 3211971), (399, 3059020), (420, 2906069), (430, 2838486), (516, 2365405), (532, 2294265), (570, 2141314), (602, 2027490), (645, 1892324), (665, 1835412), (798, 1529510), (817, 1493940), (860, 1419243), (903, 1351660), (1140, 1070657), (1204, 1013745), (1290, 946162), (1330, 917706), (1505, 810996), (1596, 764755), (1634, 746970), (1806, 675830), (1995, 611804), (2451, 497980), (2580, 473081), (2660, 458853), (3010, 405498), (3268, 373485), (3557, 343140), (3612, 337915), (3990, 305902), (4085, 298788), (4515, 270332), (4902, 248990), (5719, 213420), (6020, 202749), (7114, 171570), (7980, 152951), (8170, 149394), (9030, 135166), (9804, 124495), (10671, 114380), (11438, 106710), (12255, 99596), (14228, 85785), (16340, 74697), (17157, 71140), (17785, 68628), (18060, 67583), (21342, 57190), (22876, 53355), (24510, 49798), (24899, 49020), (28595, 42684), (34314, 35570)]