321391980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2803}}^1$

素因数の和:2845

約数の個数: 216

約数和(自身を含む): 1221725232

約数和(自身を除く): 900333252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 2205, 2340, 2548, 2730, 2803, 2940, 3185, 3276, 3822, 4095, 4410, 5460, 5606, 5733, 6370, 7644, 8190, 8409, 8820, 9555, 11212, 11466, 12740, 14015, 16380, 16818, 19110, 19621, 22932, 25227, 28030, 28665, 33636, 36439, 38220, 39242, 42045, 50454, 56060, 57330, 58863, 72878, 78484, 84090, 98105, 100908, 109317, 114660, 117726, 126135, 137347, 145756, 168180, 176589, 182195, 196210, 218634, 235452, 252270, 255073, 274694, 294315, 327951, 353178, 364390, 392420, 412041, 437268, 504540, 510146, 546585, 549388, 588630, 655902, 686735, 706356, 728780, 765219, 824082, 882945, 1020292, 1093170, 1177260, 1236123, 1275365, 1311804, 1373470, 1530438, 1639755, 1648164, 1765890, 1785511, 2060205, 2186340, 2295657, 2472246, 2550730, 2746940, 3060876, 3279510, 3531780, 3571022, 3826095, 4120410, 4591314, 4944492, 5101460, 5356533, 6180615, 6559020, 7142044, 7652190, 8240820, 8927555, 9182628, 10713066, 11478285, 12361230, 15304380, 16069599, 17855110, 21426132, 22956570, 24722460, 26782665, 32139198, 35710220, 45913140, 53565330, 64278396, 80347995, 107130660, 160695990, 321391980]

約数ペア:

[(1, 321391980), (2, 160695990), (3, 107130660), (4, 80347995), (5, 64278396), (6, 53565330), (7, 45913140), (9, 35710220), (10, 32139198), (12, 26782665), (13, 24722460), (14, 22956570), (15, 21426132), (18, 17855110), (20, 16069599), (21, 15304380), (26, 12361230), (28, 11478285), (30, 10713066), (35, 9182628), (36, 8927555), (39, 8240820), (42, 7652190), (45, 7142044), (49, 6559020), (52, 6180615), (60, 5356533), (63, 5101460), (65, 4944492), (70, 4591314), (78, 4120410), (84, 3826095), (90, 3571022), (91, 3531780), (98, 3279510), (105, 3060876), (117, 2746940), (126, 2550730), (130, 2472246), (140, 2295657), (147, 2186340), (156, 2060205), (180, 1785511), (182, 1765890), (195, 1648164), (196, 1639755), (210, 1530438), (234, 1373470), (245, 1311804), (252, 1275365), (260, 1236123), (273, 1177260), (294, 1093170), (315, 1020292), (364, 882945), (390, 824082), (420, 765219), (441, 728780), (455, 706356), (468, 686735), (490, 655902), (546, 588630), (585, 549388), (588, 546585), (630, 510146), (637, 504540), (735, 437268), (780, 412041), (819, 392420), (882, 364390), (910, 353178), (980, 327951), (1092, 294315), (1170, 274694), (1260, 255073), (1274, 252270), (1365, 235452), (1470, 218634), (1638, 196210), (1764, 182195), (1820, 176589), (1911, 168180), (2205, 145756), (2340, 137347), (2548, 126135), (2730, 117726), (2803, 114660), (2940, 109317), (3185, 100908), (3276, 98105), (3822, 84090), (4095, 78484), (4410, 72878), (5460, 58863), (5606, 57330), (5733, 56060), (6370, 50454), (7644, 42045), (8190, 39242), (8409, 38220), (8820, 36439), (9555, 33636), (11212, 28665), (11466, 28030), (12740, 25227), (14015, 22932), (16380, 19621), (16818, 19110)]