21777456280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 192

約数和(自身を含む): 53653039200

約数和(自身を除く): 31875582920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 89, 122, 136, 170, 178, 244, 289, 305, 340, 347, 356, 445, 488, 578, 610, 680, 694, 712, 890, 1037, 1156, 1220, 1388, 1445, 1513, 1735, 1780, 2074, 2312, 2440, 2776, 2890, 3026, 3470, 3560, 4148, 5185, 5429, 5780, 5899, 6052, 6940, 7565, 8296, 10370, 10858, 11560, 11798, 12104, 13880, 15130, 17629, 20740, 21167, 21716, 23596, 25721, 27145, 29495, 30260, 30883, 35258, 41480, 42334, 43432, 47192, 51442, 54290, 58990, 60520, 61766, 70516, 84668, 88145, 92293, 100283, 102884, 105835, 108580, 117980, 123532, 128605, 141032, 154415, 169336, 176290, 184586, 200566, 205768, 211670, 217160, 235960, 247064, 257210, 308830, 352580, 359839, 369172, 401132, 423340, 461465, 501415, 514420, 525011, 617660, 705160, 719678, 738344, 802264, 846680, 922930, 1002830, 1028840, 1050022, 1235320, 1439356, 1568981, 1799195, 1845860, 1883863, 2005660, 2100044, 2625055, 2878712, 3137962, 3598390, 3691720, 3767726, 4011320, 4200088, 5250110, 6117263, 6275924, 7196780, 7535452, 7844905, 8925187, 9419315, 10500220, 12234526, 12551848, 14393560, 15070904, 15689810, 17850374, 18838630, 21000440, 24469052, 30586315, 31379620, 32025671, 35700748, 37677260, 44625935, 48938104, 61172630, 62759240, 64051342, 71401496, 75354520, 89251870, 122345260, 128102684, 160128355, 178503740, 244690520, 256205368, 320256710, 357007480, 544436407, 640513420, 1088872814, 1281026840, 2177745628, 2722182035, 4355491256, 5444364070, 10888728140, 21777456280]

約数ペア:

[(1, 21777456280), (2, 10888728140), (4, 5444364070), (5, 4355491256), (8, 2722182035), (10, 2177745628), (17, 1281026840), (20, 1088872814), (34, 640513420), (40, 544436407), (61, 357007480), (68, 320256710), (85, 256205368), (89, 244690520), (122, 178503740), (136, 160128355), (170, 128102684), (178, 122345260), (244, 89251870), (289, 75354520), (305, 71401496), (340, 64051342), (347, 62759240), (356, 61172630), (445, 48938104), (488, 44625935), (578, 37677260), (610, 35700748), (680, 32025671), (694, 31379620), (712, 30586315), (890, 24469052), (1037, 21000440), (1156, 18838630), (1220, 17850374), (1388, 15689810), (1445, 15070904), (1513, 14393560), (1735, 12551848), (1780, 12234526), (2074, 10500220), (2312, 9419315), (2440, 8925187), (2776, 7844905), (2890, 7535452), (3026, 7196780), (3470, 6275924), (3560, 6117263), (4148, 5250110), (5185, 4200088), (5429, 4011320), (5780, 3767726), (5899, 3691720), (6052, 3598390), (6940, 3137962), (7565, 2878712), (8296, 2625055), (10370, 2100044), (10858, 2005660), (11560, 1883863), (11798, 1845860), (12104, 1799195), (13880, 1568981), (15130, 1439356), (17629, 1235320), (20740, 1050022), (21167, 1028840), (21716, 1002830), (23596, 922930), (25721, 846680), (27145, 802264), (29495, 738344), (30260, 719678), (30883, 705160), (35258, 617660), (41480, 525011), (42334, 514420), (43432, 501415), (47192, 461465), (51442, 423340), (54290, 401132), (58990, 369172), (60520, 359839), (61766, 352580), (70516, 308830), (84668, 257210), (88145, 247064), (92293, 235960), (100283, 217160), (102884, 211670), (105835, 205768), (108580, 200566), (117980, 184586), (123532, 176290), (128605, 169336), (141032, 154415)]