68928720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 247484160

約数和(自身を除く): 178555440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 140, 168, 178, 210, 240, 267, 280, 336, 356, 420, 445, 461, 534, 560, 623, 712, 840, 890, 922, 1068, 1246, 1335, 1383, 1424, 1680, 1780, 1844, 1869, 2136, 2305, 2492, 2670, 2766, 3115, 3227, 3560, 3688, 3738, 4272, 4610, 4984, 5340, 5532, 6230, 6454, 6915, 7120, 7376, 7476, 9220, 9345, 9681, 9968, 10680, 11064, 12460, 12908, 13830, 14952, 16135, 18440, 18690, 19362, 21360, 22128, 24920, 25816, 27660, 29904, 32270, 36880, 37380, 38724, 41029, 48405, 49840, 51632, 55320, 64540, 74760, 77448, 82058, 96810, 110640, 123087, 129080, 149520, 154896, 164116, 193620, 205145, 246174, 258160, 287203, 328232, 387240, 410290, 492348, 574406, 615435, 656464, 774480, 820580, 861609, 984696, 1148812, 1230870, 1436015, 1641160, 1723218, 1969392, 2297624, 2461740, 2872030, 3282320, 3446436, 4308045, 4595248, 4923480, 5744060, 6892872, 8616090, 9846960, 11488120, 13785744, 17232180, 22976240, 34464360, 68928720]

約数ペア:

[(1, 68928720), (2, 34464360), (3, 22976240), (4, 17232180), (5, 13785744), (6, 11488120), (7, 9846960), (8, 8616090), (10, 6892872), (12, 5744060), (14, 4923480), (15, 4595248), (16, 4308045), (20, 3446436), (21, 3282320), (24, 2872030), (28, 2461740), (30, 2297624), (35, 1969392), (40, 1723218), (42, 1641160), (48, 1436015), (56, 1230870), (60, 1148812), (70, 984696), (80, 861609), (84, 820580), (89, 774480), (105, 656464), (112, 615435), (120, 574406), (140, 492348), (168, 410290), (178, 387240), (210, 328232), (240, 287203), (267, 258160), (280, 246174), (336, 205145), (356, 193620), (420, 164116), (445, 154896), (461, 149520), (534, 129080), (560, 123087), (623, 110640), (712, 96810), (840, 82058), (890, 77448), (922, 74760), (1068, 64540), (1246, 55320), (1335, 51632), (1383, 49840), (1424, 48405), (1680, 41029), (1780, 38724), (1844, 37380), (1869, 36880), (2136, 32270), (2305, 29904), (2492, 27660), (2670, 25816), (2766, 24920), (3115, 22128), (3227, 21360), (3560, 19362), (3688, 18690), (3738, 18440), (4272, 16135), (4610, 14952), (4984, 13830), (5340, 12908), (5532, 12460), (6230, 11064), (6454, 10680), (6915, 9968), (7120, 9681), (7376, 9345), (7476, 9220)]