320758560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7731

約数の個数: 144

約数和(自身を含む): 1132480440

約数和(自身を除く): 811721880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 5220, 6960, 7681, 8352, 10440, 13920, 15362, 20880, 23043, 30724, 38405, 41760, 46086, 61448, 69129, 76810, 92172, 115215, 122896, 138258, 153620, 184344, 222749, 230430, 245792, 276516, 307240, 345645, 368688, 445498, 460860, 553032, 614480, 668247, 691290, 737376, 890996, 921720, 1106064, 1113745, 1228960, 1336494, 1382580, 1781992, 1843440, 2004741, 2212128, 2227490, 2672988, 2765160, 3341235, 3563984, 3686880, 4009482, 4454980, 5345976, 5530320, 6682470, 7127968, 8018964, 8909960, 10023705, 10691952, 11060640, 13364940, 16037928, 17819920, 20047410, 21383904, 26729880, 32075856, 35639840, 40094820, 53459760, 64151712, 80189640, 106919520, 160379280, 320758560]

約数ペア:

[(1, 320758560), (2, 160379280), (3, 106919520), (4, 80189640), (5, 64151712), (6, 53459760), (8, 40094820), (9, 35639840), (10, 32075856), (12, 26729880), (15, 21383904), (16, 20047410), (18, 17819920), (20, 16037928), (24, 13364940), (29, 11060640), (30, 10691952), (32, 10023705), (36, 8909960), (40, 8018964), (45, 7127968), (48, 6682470), (58, 5530320), (60, 5345976), (72, 4454980), (80, 4009482), (87, 3686880), (90, 3563984), (96, 3341235), (116, 2765160), (120, 2672988), (144, 2227490), (145, 2212128), (160, 2004741), (174, 1843440), (180, 1781992), (232, 1382580), (240, 1336494), (261, 1228960), (288, 1113745), (290, 1106064), (348, 921720), (360, 890996), (435, 737376), (464, 691290), (480, 668247), (522, 614480), (580, 553032), (696, 460860), (720, 445498), (870, 368688), (928, 345645), (1044, 307240), (1160, 276516), (1305, 245792), (1392, 230430), (1440, 222749), (1740, 184344), (2088, 153620), (2320, 138258), (2610, 122896), (2784, 115215), (3480, 92172), (4176, 76810), (4640, 69129), (5220, 61448), (6960, 46086), (7681, 41760), (8352, 38405), (10440, 30724), (13920, 23043), (15362, 20880)]