1381333760

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22961}}^1$

素因数の和:23029

約数の個数: 72

約数和(自身を含む): 3379271616

約数和(自身を除く): 1997937856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 752, 940, 1280, 1504, 1880, 3008, 3760, 6016, 7520, 12032, 15040, 22961, 30080, 45922, 60160, 91844, 114805, 183688, 229610, 367376, 459220, 734752, 918440, 1079167, 1469504, 1836880, 2158334, 2939008, 3673760, 4316668, 5395835, 5878016, 7347520, 8633336, 10791670, 14695040, 17266672, 21583340, 29390080, 34533344, 43166680, 69066688, 86333360, 138133376, 172666720, 276266752, 345333440, 690666880, 1381333760]

約数ペア:

[(1, 1381333760), (2, 690666880), (4, 345333440), (5, 276266752), (8, 172666720), (10, 138133376), (16, 86333360), (20, 69066688), (32, 43166680), (40, 34533344), (47, 29390080), (64, 21583340), (80, 17266672), (94, 14695040), (128, 10791670), (160, 8633336), (188, 7347520), (235, 5878016), (256, 5395835), (320, 4316668), (376, 3673760), (470, 2939008), (640, 2158334), (752, 1836880), (940, 1469504), (1280, 1079167), (1504, 918440), (1880, 734752), (3008, 459220), (3760, 367376), (6016, 229610), (7520, 183688), (12032, 114805), (15040, 91844), (22961, 60160), (30080, 45922)]