320860680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{381977}}^1$

素因数の和:381998

約数の個数: 64

約数和(自身を含む): 1100096640

約数和(自身を除く): 779235960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 381977, 763954, 1145931, 1527908, 1909885, 2291862, 2673839, 3055816, 3819770, 4583724, 5347678, 5729655, 7639540, 8021517, 9167448, 10695356, 11459310, 13369195, 15279080, 16043034, 21390712, 22918620, 26738390, 32086068, 40107585, 45837240, 53476780, 64172136, 80215170, 106953560, 160430340, 320860680]

約数ペア:

[(1, 320860680), (2, 160430340), (3, 106953560), (4, 80215170), (5, 64172136), (6, 53476780), (7, 45837240), (8, 40107585), (10, 32086068), (12, 26738390), (14, 22918620), (15, 21390712), (20, 16043034), (21, 15279080), (24, 13369195), (28, 11459310), (30, 10695356), (35, 9167448), (40, 8021517), (42, 7639540), (56, 5729655), (60, 5347678), (70, 4583724), (84, 3819770), (105, 3055816), (120, 2673839), (140, 2291862), (168, 1909885), (210, 1527908), (280, 1145931), (420, 763954), (840, 381977)]