1215668720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:583

約数の個数: 160

約数和(自身を含む): 3359784960

約数和(自身を除く): 2144116240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 239, 248, 280, 293, 310, 434, 478, 496, 560, 586, 620, 868, 956, 1085, 1172, 1195, 1240, 1465, 1673, 1736, 1912, 2051, 2170, 2344, 2390, 2480, 2930, 3346, 3472, 3824, 4102, 4340, 4688, 4780, 5860, 6692, 7409, 8204, 8365, 8680, 9083, 9560, 10255, 11720, 13384, 14818, 16408, 16730, 17360, 18166, 19120, 20510, 23440, 26768, 29636, 32816, 33460, 36332, 37045, 41020, 45415, 51863, 59272, 63581, 66920, 70027, 72664, 74090, 82040, 90830, 103726, 118544, 127162, 133840, 140054, 145328, 148180, 164080, 181660, 207452, 254324, 259315, 280108, 296360, 317905, 350135, 363320, 414904, 490189, 508648, 518630, 560216, 592720, 635810, 700270, 726640, 829808, 980378, 1017296, 1037260, 1120432, 1271620, 1400540, 1960756, 2074520, 2170837, 2450945, 2543240, 2801080, 3921512, 4149040, 4341674, 4901890, 5086480, 5602160, 7843024, 8683348, 9803780, 10854185, 15195859, 17366696, 19607560, 21708370, 30391718, 34733392, 39215120, 43416740, 60783436, 75979295, 86833480, 121566872, 151958590, 173666960, 243133744, 303917180, 607834360, 1215668720]

約数ペア:

[(1, 1215668720), (2, 607834360), (4, 303917180), (5, 243133744), (7, 173666960), (8, 151958590), (10, 121566872), (14, 86833480), (16, 75979295), (20, 60783436), (28, 43416740), (31, 39215120), (35, 34733392), (40, 30391718), (56, 21708370), (62, 19607560), (70, 17366696), (80, 15195859), (112, 10854185), (124, 9803780), (140, 8683348), (155, 7843024), (217, 5602160), (239, 5086480), (248, 4901890), (280, 4341674), (293, 4149040), (310, 3921512), (434, 2801080), (478, 2543240), (496, 2450945), (560, 2170837), (586, 2074520), (620, 1960756), (868, 1400540), (956, 1271620), (1085, 1120432), (1172, 1037260), (1195, 1017296), (1240, 980378), (1465, 829808), (1673, 726640), (1736, 700270), (1912, 635810), (2051, 592720), (2170, 560216), (2344, 518630), (2390, 508648), (2480, 490189), (2930, 414904), (3346, 363320), (3472, 350135), (3824, 317905), (4102, 296360), (4340, 280108), (4688, 259315), (4780, 254324), (5860, 207452), (6692, 181660), (7409, 164080), (8204, 148180), (8365, 145328), (8680, 140054), (9083, 133840), (9560, 127162), (10255, 118544), (11720, 103726), (13384, 90830), (14818, 82040), (16408, 74090), (16730, 72664), (17360, 70027), (18166, 66920), (19120, 63581), (20510, 59272), (23440, 51863), (26768, 45415), (29636, 41020), (32816, 37045), (33460, 36332)]