72417880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 168920640

約数和(自身を除く): 96502760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 167, 185, 293, 296, 334, 370, 586, 668, 740, 835, 1172, 1336, 1465, 1480, 1670, 2344, 2930, 3340, 5860, 6179, 6680, 10841, 11720, 12358, 21682, 24716, 30895, 43364, 48931, 49432, 54205, 61790, 86728, 97862, 108410, 123580, 195724, 216820, 244655, 247160, 391448, 433640, 489310, 978620, 1810447, 1957240, 3620894, 7241788, 9052235, 14483576, 18104470, 36208940, 72417880]

約数ペア:

[(1, 72417880), (2, 36208940), (4, 18104470), (5, 14483576), (8, 9052235), (10, 7241788), (20, 3620894), (37, 1957240), (40, 1810447), (74, 978620), (148, 489310), (167, 433640), (185, 391448), (293, 247160), (296, 244655), (334, 216820), (370, 195724), (586, 123580), (668, 108410), (740, 97862), (835, 86728), (1172, 61790), (1336, 54205), (1465, 49432), (1480, 48931), (1670, 43364), (2344, 30895), (2930, 24716), (3340, 21682), (5860, 12358), (6179, 11720), (6680, 10841)]