31440930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 79315200

約数和(自身を除く): 47874270

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 71, 87, 142, 145, 174, 213, 290, 355, 426, 435, 509, 710, 870, 1018, 1065, 1527, 2059, 2130, 2545, 3054, 4118, 5090, 6177, 7635, 10295, 12354, 14761, 15270, 20590, 29522, 30885, 36139, 44283, 61770, 72278, 73805, 88566, 108417, 147610, 180695, 216834, 221415, 361390, 442830, 542085, 1048031, 1084170, 2096062, 3144093, 5240155, 6288186, 10480310, 15720465, 31440930]

約数ペア:

[(1, 31440930), (2, 15720465), (3, 10480310), (5, 6288186), (6, 5240155), (10, 3144093), (15, 2096062), (29, 1084170), (30, 1048031), (58, 542085), (71, 442830), (87, 361390), (142, 221415), (145, 216834), (174, 180695), (213, 147610), (290, 108417), (355, 88566), (426, 73805), (435, 72278), (509, 61770), (710, 44283), (870, 36139), (1018, 30885), (1065, 29522), (1527, 20590), (2059, 15270), (2130, 14761), (2545, 12354), (3054, 10295), (4118, 7635), (5090, 6177)]