28608160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 81443880

約数和(自身を除く): 52835720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 89, 98, 112, 140, 160, 164, 178, 196, 205, 224, 245, 280, 287, 328, 356, 392, 410, 445, 490, 560, 574, 623, 656, 712, 784, 820, 890, 980, 1120, 1148, 1246, 1312, 1424, 1435, 1568, 1640, 1780, 1960, 2009, 2296, 2492, 2848, 2870, 3115, 3280, 3560, 3649, 3920, 4018, 4361, 4592, 4984, 5740, 6230, 6560, 7120, 7298, 7840, 8036, 8722, 9184, 9968, 10045, 11480, 12460, 14240, 14596, 16072, 17444, 18245, 19936, 20090, 21805, 22960, 24920, 25543, 29192, 32144, 34888, 36490, 40180, 43610, 45920, 49840, 51086, 58384, 64288, 69776, 72980, 80360, 87220, 99680, 102172, 116768, 127715, 139552, 145960, 160720, 174440, 178801, 204344, 255430, 291920, 321440, 348880, 357602, 408688, 510860, 583840, 697760, 715204, 817376, 894005, 1021720, 1430408, 1788010, 2043440, 2860816, 3576020, 4086880, 5721632, 7152040, 14304080, 28608160]

約数ペア:

[(1, 28608160), (2, 14304080), (4, 7152040), (5, 5721632), (7, 4086880), (8, 3576020), (10, 2860816), (14, 2043440), (16, 1788010), (20, 1430408), (28, 1021720), (32, 894005), (35, 817376), (40, 715204), (41, 697760), (49, 583840), (56, 510860), (70, 408688), (80, 357602), (82, 348880), (89, 321440), (98, 291920), (112, 255430), (140, 204344), (160, 178801), (164, 174440), (178, 160720), (196, 145960), (205, 139552), (224, 127715), (245, 116768), (280, 102172), (287, 99680), (328, 87220), (356, 80360), (392, 72980), (410, 69776), (445, 64288), (490, 58384), (560, 51086), (574, 49840), (623, 45920), (656, 43610), (712, 40180), (784, 36490), (820, 34888), (890, 32144), (980, 29192), (1120, 25543), (1148, 24920), (1246, 22960), (1312, 21805), (1424, 20090), (1435, 19936), (1568, 18245), (1640, 17444), (1780, 16072), (1960, 14596), (2009, 14240), (2296, 12460), (2492, 11480), (2848, 10045), (2870, 9968), (3115, 9184), (3280, 8722), (3560, 8036), (3649, 7840), (3920, 7298), (4018, 7120), (4361, 6560), (4592, 6230), (4984, 5740)]