79717760

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 96

約数和(自身を含む): 202914720

約数和(自身を除く): 123196960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 431, 544, 578, 640, 680, 862, 1088, 1156, 1360, 1445, 1724, 2155, 2176, 2312, 2720, 2890, 3448, 4310, 4624, 5440, 5780, 6896, 7327, 8620, 9248, 10880, 11560, 13792, 14654, 17240, 18496, 23120, 27584, 29308, 34480, 36635, 36992, 46240, 55168, 58616, 68960, 73270, 92480, 117232, 124559, 137920, 146540, 184960, 234464, 249118, 275840, 293080, 468928, 498236, 586160, 622795, 937856, 996472, 1172320, 1245590, 1992944, 2344640, 2491180, 3985888, 4689280, 4982360, 7971776, 9964720, 15943552, 19929440, 39858880, 79717760]

約数ペア:

[(1, 79717760), (2, 39858880), (4, 19929440), (5, 15943552), (8, 9964720), (10, 7971776), (16, 4982360), (17, 4689280), (20, 3985888), (32, 2491180), (34, 2344640), (40, 1992944), (64, 1245590), (68, 1172320), (80, 996472), (85, 937856), (128, 622795), (136, 586160), (160, 498236), (170, 468928), (272, 293080), (289, 275840), (320, 249118), (340, 234464), (431, 184960), (544, 146540), (578, 137920), (640, 124559), (680, 117232), (862, 92480), (1088, 73270), (1156, 68960), (1360, 58616), (1445, 55168), (1724, 46240), (2155, 36992), (2176, 36635), (2312, 34480), (2720, 29308), (2890, 27584), (3448, 23120), (4310, 18496), (4624, 17240), (5440, 14654), (5780, 13792), (6896, 11560), (7327, 10880), (8620, 9248)]