686431980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1259}}^1$

素因数の和:1520

約数の個数: 144

約数和(自身を含む): 2253756960

約数和(自身を除く): 1567324980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 233, 234, 260, 390, 466, 468, 585, 699, 780, 932, 1165, 1170, 1259, 1398, 2097, 2330, 2340, 2518, 2796, 3029, 3495, 3777, 4194, 4660, 5036, 6058, 6295, 6990, 7554, 8388, 9087, 10485, 11331, 12116, 12590, 13980, 15108, 15145, 16367, 18174, 18885, 20970, 22662, 25180, 27261, 30290, 32734, 36348, 37770, 41940, 45324, 45435, 49101, 54522, 56655, 60580, 65468, 75540, 81835, 90870, 98202, 109044, 113310, 136305, 147303, 163670, 181740, 196404, 226620, 245505, 272610, 293347, 294606, 327340, 491010, 545220, 586694, 589212, 736515, 880041, 982020, 1173388, 1466735, 1473030, 1760082, 2640123, 2933470, 2946060, 3520164, 3813511, 4400205, 5280246, 5866940, 7627022, 8800410, 10560492, 11440533, 13200615, 15254044, 17600820, 19067555, 22881066, 26401230, 34321599, 38135110, 45762132, 52802460, 57202665, 68643198, 76270220, 114405330, 137286396, 171607995, 228810660, 343215990, 686431980]

約数ペア:

[(1, 686431980), (2, 343215990), (3, 228810660), (4, 171607995), (5, 137286396), (6, 114405330), (9, 76270220), (10, 68643198), (12, 57202665), (13, 52802460), (15, 45762132), (18, 38135110), (20, 34321599), (26, 26401230), (30, 22881066), (36, 19067555), (39, 17600820), (45, 15254044), (52, 13200615), (60, 11440533), (65, 10560492), (78, 8800410), (90, 7627022), (117, 5866940), (130, 5280246), (156, 4400205), (180, 3813511), (195, 3520164), (233, 2946060), (234, 2933470), (260, 2640123), (390, 1760082), (466, 1473030), (468, 1466735), (585, 1173388), (699, 982020), (780, 880041), (932, 736515), (1165, 589212), (1170, 586694), (1259, 545220), (1398, 491010), (2097, 327340), (2330, 294606), (2340, 293347), (2518, 272610), (2796, 245505), (3029, 226620), (3495, 196404), (3777, 181740), (4194, 163670), (4660, 147303), (5036, 136305), (6058, 113310), (6295, 109044), (6990, 98202), (7554, 90870), (8388, 81835), (9087, 75540), (10485, 65468), (11331, 60580), (12116, 56655), (12590, 54522), (13980, 49101), (15108, 45435), (15145, 45324), (16367, 41940), (18174, 37770), (18885, 36348), (20970, 32734), (22662, 30290), (25180, 27261)]