79893520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 219461400

約数和(自身を除く): 139567880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 229, 245, 280, 356, 392, 445, 458, 490, 560, 623, 712, 784, 890, 916, 980, 1145, 1246, 1424, 1603, 1780, 1832, 1960, 2290, 2492, 3115, 3206, 3560, 3664, 3920, 4361, 4580, 4984, 6230, 6412, 7120, 8015, 8722, 9160, 9968, 11221, 12460, 12824, 16030, 17444, 18320, 20381, 21805, 22442, 24920, 25648, 32060, 34888, 40762, 43610, 44884, 49840, 56105, 64120, 69776, 81524, 87220, 89768, 101905, 112210, 128240, 142667, 163048, 174440, 179536, 203810, 224420, 285334, 326096, 348880, 407620, 448840, 570668, 713335, 815240, 897680, 998669, 1141336, 1426670, 1630480, 1997338, 2282672, 2853340, 3994676, 4993345, 5706680, 7989352, 9986690, 11413360, 15978704, 19973380, 39946760, 79893520]

約数ペア:

[(1, 79893520), (2, 39946760), (4, 19973380), (5, 15978704), (7, 11413360), (8, 9986690), (10, 7989352), (14, 5706680), (16, 4993345), (20, 3994676), (28, 2853340), (35, 2282672), (40, 1997338), (49, 1630480), (56, 1426670), (70, 1141336), (80, 998669), (89, 897680), (98, 815240), (112, 713335), (140, 570668), (178, 448840), (196, 407620), (229, 348880), (245, 326096), (280, 285334), (356, 224420), (392, 203810), (445, 179536), (458, 174440), (490, 163048), (560, 142667), (623, 128240), (712, 112210), (784, 101905), (890, 89768), (916, 87220), (980, 81524), (1145, 69776), (1246, 64120), (1424, 56105), (1603, 49840), (1780, 44884), (1832, 43610), (1960, 40762), (2290, 34888), (2492, 32060), (3115, 25648), (3206, 24920), (3560, 22442), (3664, 21805), (3920, 20381), (4361, 18320), (4580, 17444), (4984, 16030), (6230, 12824), (6412, 12460), (7120, 11221), (8015, 9968), (8722, 9160)]