319430720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2417}}^1$

素因数の和:2500

約数の個数: 112

約数和(自身を含む): 884407680

約数和(自身を除く): 564976960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 320, 413, 448, 472, 560, 590, 826, 944, 1120, 1180, 1652, 1888, 2065, 2240, 2360, 2417, 3304, 3776, 4130, 4720, 4834, 6608, 8260, 9440, 9668, 12085, 13216, 16520, 16919, 18880, 19336, 24170, 26432, 33040, 33838, 38672, 48340, 66080, 67676, 77344, 84595, 96680, 132160, 135352, 142603, 154688, 169190, 193360, 270704, 285206, 338380, 386720, 541408, 570412, 676760, 713015, 773440, 998221, 1082816, 1140824, 1353520, 1426030, 1996442, 2281648, 2707040, 2852060, 3992884, 4563296, 4991105, 5414080, 5704120, 7985768, 9126592, 9982210, 11408240, 15971536, 19964420, 22816480, 31943072, 39928840, 45632960, 63886144, 79857680, 159715360, 319430720]

約数ペア:

[(1, 319430720), (2, 159715360), (4, 79857680), (5, 63886144), (7, 45632960), (8, 39928840), (10, 31943072), (14, 22816480), (16, 19964420), (20, 15971536), (28, 11408240), (32, 9982210), (35, 9126592), (40, 7985768), (56, 5704120), (59, 5414080), (64, 4991105), (70, 4563296), (80, 3992884), (112, 2852060), (118, 2707040), (140, 2281648), (160, 1996442), (224, 1426030), (236, 1353520), (280, 1140824), (295, 1082816), (320, 998221), (413, 773440), (448, 713015), (472, 676760), (560, 570412), (590, 541408), (826, 386720), (944, 338380), (1120, 285206), (1180, 270704), (1652, 193360), (1888, 169190), (2065, 154688), (2240, 142603), (2360, 135352), (2417, 132160), (3304, 96680), (3776, 84595), (4130, 77344), (4720, 67676), (4834, 66080), (6608, 48340), (8260, 38672), (9440, 33838), (9668, 33040), (12085, 26432), (13216, 24170), (16520, 19336), (16919, 18880)]