320410220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 778813056

約数和(自身を除く): 458402836

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 71, 85, 130, 142, 170, 221, 260, 284, 340, 355, 442, 710, 884, 923, 1021, 1105, 1207, 1420, 1846, 2042, 2210, 2414, 3692, 4084, 4420, 4615, 4828, 5105, 6035, 9230, 10210, 12070, 13273, 15691, 17357, 18460, 20420, 24140, 26546, 31382, 34714, 53092, 62764, 66365, 69428, 72491, 78455, 86785, 132730, 144982, 156910, 173570, 225641, 265460, 289964, 313820, 347140, 362455, 451282, 724910, 902564, 942383, 1128205, 1232347, 1449820, 1884766, 2256410, 2464694, 3769532, 4512820, 4711915, 4929388, 6161735, 9423830, 12323470, 16020511, 18847660, 24646940, 32041022, 64082044, 80102555, 160205110, 320410220]

約数ペア:

[(1, 320410220), (2, 160205110), (4, 80102555), (5, 64082044), (10, 32041022), (13, 24646940), (17, 18847660), (20, 16020511), (26, 12323470), (34, 9423830), (52, 6161735), (65, 4929388), (68, 4711915), (71, 4512820), (85, 3769532), (130, 2464694), (142, 2256410), (170, 1884766), (221, 1449820), (260, 1232347), (284, 1128205), (340, 942383), (355, 902564), (442, 724910), (710, 451282), (884, 362455), (923, 347140), (1021, 313820), (1105, 289964), (1207, 265460), (1420, 225641), (1846, 173570), (2042, 156910), (2210, 144982), (2414, 132730), (3692, 86785), (4084, 78455), (4420, 72491), (4615, 69428), (4828, 66365), (5105, 62764), (6035, 53092), (9230, 34714), (10210, 31382), (12070, 26546), (13273, 24140), (15691, 20420), (17357, 18460)]