61344040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 144990720

約数和(自身を除く): 83646680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 811, 1220, 1240, 1622, 1891, 2440, 3244, 3782, 4055, 6488, 7564, 8110, 9455, 15128, 16220, 18910, 25141, 32440, 37820, 49471, 50282, 75640, 98942, 100564, 125705, 197884, 201128, 247355, 251410, 395768, 494710, 502820, 989420, 1005640, 1533601, 1978840, 3067202, 6134404, 7668005, 12268808, 15336010, 30672020, 61344040]

約数ペア:

[(1, 61344040), (2, 30672020), (4, 15336010), (5, 12268808), (8, 7668005), (10, 6134404), (20, 3067202), (31, 1978840), (40, 1533601), (61, 1005640), (62, 989420), (122, 502820), (124, 494710), (155, 395768), (244, 251410), (248, 247355), (305, 201128), (310, 197884), (488, 125705), (610, 100564), (620, 98942), (811, 75640), (1220, 50282), (1240, 49471), (1622, 37820), (1891, 32440), (2440, 25141), (3244, 18910), (3782, 16220), (4055, 15128), (6488, 9455), (7564, 8110)]