766978380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{86959}}^1$

素因数の和:86988

約数の個数: 108

約数和(自身を含む): 2706369120

約数和(自身を除く): 1939390740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 86959, 173918, 260877, 347836, 434795, 521754, 608713, 782631, 869590, 1043508, 1217426, 1304385, 1565262, 1739180, 1826139, 2434852, 2608770, 3043565, 3130524, 3652278, 3913155, 4260991, 5217540, 5478417, 6087130, 7304556, 7826310, 8521982, 9130695, 10956834, 12174260, 12782973, 15652620, 17043964, 18261390, 21304955, 21913668, 25565946, 27392085, 36522780, 38348919, 42609910, 51131892, 54784170, 63914865, 76697838, 85219820, 109568340, 127829730, 153395676, 191744595, 255659460, 383489190, 766978380]

約数ペア:

[(1, 766978380), (2, 383489190), (3, 255659460), (4, 191744595), (5, 153395676), (6, 127829730), (7, 109568340), (9, 85219820), (10, 76697838), (12, 63914865), (14, 54784170), (15, 51131892), (18, 42609910), (20, 38348919), (21, 36522780), (28, 27392085), (30, 25565946), (35, 21913668), (36, 21304955), (42, 18261390), (45, 17043964), (49, 15652620), (60, 12782973), (63, 12174260), (70, 10956834), (84, 9130695), (90, 8521982), (98, 7826310), (105, 7304556), (126, 6087130), (140, 5478417), (147, 5217540), (180, 4260991), (196, 3913155), (210, 3652278), (245, 3130524), (252, 3043565), (294, 2608770), (315, 2434852), (420, 1826139), (441, 1739180), (490, 1565262), (588, 1304385), (630, 1217426), (735, 1043508), (882, 869590), (980, 782631), (1260, 608713), (1470, 521754), (1764, 434795), (2205, 347836), (2940, 260877), (4410, 173918), (8820, 86959)]