1338378720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23431}}^1$

素因数の和:23473

約数の個数: 192

約数和(自身を含む): 5101802496

約数和(自身を除く): 3763423776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 714, 816, 840, 952, 1020, 1120, 1190, 1360, 1428, 1632, 1680, 1785, 1904, 2040, 2380, 2720, 2856, 3360, 3570, 3808, 4080, 4760, 5712, 7140, 8160, 9520, 11424, 14280, 19040, 23431, 28560, 46862, 57120, 70293, 93724, 117155, 140586, 164017, 187448, 234310, 281172, 328034, 351465, 374896, 398327, 468620, 492051, 562344, 656068, 702930, 749792, 796654, 820085, 937240, 984102, 1124688, 1194981, 1312136, 1405860, 1593308, 1640170, 1874480, 1968204, 1991635, 2249376, 2389962, 2460255, 2624272, 2788289, 2811720, 3186616, 3280340, 3748960, 3936408, 3983270, 4779924, 4920510, 5248544, 5576578, 5623440, 5974905, 6373232, 6560680, 7872816, 7966540, 8364867, 9559848, 9841020, 11153156, 11246880, 11949810, 12746464, 13121360, 13941445, 15745632, 15933080, 16729734, 19119696, 19682040, 22306312, 23899620, 26242720, 27882890, 31866160, 33459468, 38239392, 39364080, 41824335, 44612624, 47799240, 55765780, 63732320, 66918936, 78728160, 83648670, 89225248, 95598480, 111531560, 133837872, 167297340, 191196960, 223063120, 267675744, 334594680, 446126240, 669189360, 1338378720]

約数ペア:

[(1, 1338378720), (2, 669189360), (3, 446126240), (4, 334594680), (5, 267675744), (6, 223063120), (7, 191196960), (8, 167297340), (10, 133837872), (12, 111531560), (14, 95598480), (15, 89225248), (16, 83648670), (17, 78728160), (20, 66918936), (21, 63732320), (24, 55765780), (28, 47799240), (30, 44612624), (32, 41824335), (34, 39364080), (35, 38239392), (40, 33459468), (42, 31866160), (48, 27882890), (51, 26242720), (56, 23899620), (60, 22306312), (68, 19682040), (70, 19119696), (80, 16729734), (84, 15933080), (85, 15745632), (96, 13941445), (102, 13121360), (105, 12746464), (112, 11949810), (119, 11246880), (120, 11153156), (136, 9841020), (140, 9559848), (160, 8364867), (168, 7966540), (170, 7872816), (204, 6560680), (210, 6373232), (224, 5974905), (238, 5623440), (240, 5576578), (255, 5248544), (272, 4920510), (280, 4779924), (336, 3983270), (340, 3936408), (357, 3748960), (408, 3280340), (420, 3186616), (476, 2811720), (480, 2788289), (510, 2624272), (544, 2460255), (560, 2389962), (595, 2249376), (672, 1991635), (680, 1968204), (714, 1874480), (816, 1640170), (840, 1593308), (952, 1405860), (1020, 1312136), (1120, 1194981), (1190, 1124688), (1360, 984102), (1428, 937240), (1632, 820085), (1680, 796654), (1785, 749792), (1904, 702930), (2040, 656068), (2380, 562344), (2720, 492051), (2856, 468620), (3360, 398327), (3570, 374896), (3808, 351465), (4080, 328034), (4760, 281172), (5712, 234310), (7140, 187448), (8160, 164017), (9520, 140586), (11424, 117155), (14280, 93724), (19040, 70293), (23431, 57120), (28560, 46862)]