123690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 64

約数和(自身を含む): 368640

約数和(自身を除く): 244950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 266, 285, 310, 399, 434, 465, 570, 589, 651, 665, 798, 930, 1085, 1178, 1302, 1330, 1767, 1995, 2170, 2945, 3255, 3534, 3990, 4123, 5890, 6510, 8246, 8835, 12369, 17670, 20615, 24738, 41230, 61845, 123690]

約数ペア:

[(1, 123690), (2, 61845), (3, 41230), (5, 24738), (6, 20615), (7, 17670), (10, 12369), (14, 8835), (15, 8246), (19, 6510), (21, 5890), (30, 4123), (31, 3990), (35, 3534), (38, 3255), (42, 2945), (57, 2170), (62, 1995), (70, 1767), (93, 1330), (95, 1302), (105, 1178), (114, 1085), (133, 930), (155, 798), (186, 665), (190, 651), (210, 589), (217, 570), (266, 465), (285, 434), (310, 399)]