1620253764

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{3517}}^1$

素因数の和:3785

約数の個数: 72

約数和(自身を含む): 4179721728

約数和(自身を除く): 2559467964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 191, 201, 268, 382, 402, 573, 603, 764, 804, 1146, 1206, 1719, 2292, 2412, 3438, 3517, 6876, 7034, 10551, 12797, 14068, 21102, 25594, 31653, 38391, 42204, 51188, 63306, 76782, 115173, 126612, 153564, 230346, 235639, 460692, 471278, 671747, 706917, 942556, 1343494, 1413834, 2015241, 2120751, 2686988, 2827668, 4030482, 4241502, 6045723, 8060964, 8483004, 12091446, 24182892, 45007049, 90014098, 135021147, 180028196, 270042294, 405063441, 540084588, 810126882, 1620253764]

約数ペア:

[(1, 1620253764), (2, 810126882), (3, 540084588), (4, 405063441), (6, 270042294), (9, 180028196), (12, 135021147), (18, 90014098), (36, 45007049), (67, 24182892), (134, 12091446), (191, 8483004), (201, 8060964), (268, 6045723), (382, 4241502), (402, 4030482), (573, 2827668), (603, 2686988), (764, 2120751), (804, 2015241), (1146, 1413834), (1206, 1343494), (1719, 942556), (2292, 706917), (2412, 671747), (3438, 471278), (3517, 460692), (6876, 235639), (7034, 230346), (10551, 153564), (12797, 126612), (14068, 115173), (21102, 76782), (25594, 63306), (31653, 51188), (38391, 42204)]