318990

素因数分解:

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

素因数の和:62

約数の個数: 64

約数和(自身を含む): 921600

約数和(自身を除く): 602610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 343, 434, 465, 490, 651, 686, 735, 930, 1029, 1085, 1302, 1470, 1519, 1715, 2058, 2170, 3038, 3255, 3430, 4557, 5145, 6510, 7595, 9114, 10290, 10633, 15190, 21266, 22785, 31899, 45570, 53165, 63798, 106330, 159495, 318990]

約数ペア:

[(1, 318990), (2, 159495), (3, 106330), (5, 63798), (6, 53165), (7, 45570), (10, 31899), (14, 22785), (15, 21266), (21, 15190), (30, 10633), (31, 10290), (35, 9114), (42, 7595), (49, 6510), (62, 5145), (70, 4557), (93, 3430), (98, 3255), (105, 3038), (147, 2170), (155, 2058), (186, 1715), (210, 1519), (217, 1470), (245, 1302), (294, 1085), (310, 1029), (343, 930), (434, 735), (465, 686), (490, 651)]