686768940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{26681}}^1$

素因数の和:26720

約数の個数: 144

約数和(自身を含む): 2447486496

約数和(自身を除く): 1760717556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 26681, 53362, 80043, 106724, 133405, 160086, 240129, 266810, 293491, 320172, 346853, 400215, 480258, 533620, 586982, 693706, 800430, 880473, 960516, 1040559, 1173964, 1200645, 1387412, 1467455, 1600860, 1734265, 1760946, 2081118, 2401290, 2641419, 2934910, 3121677, 3468530, 3521892, 3815383, 4162236, 4402365, 4802580, 5202795, 5282838, 5869820, 6243354, 6937060, 7630766, 8804730, 10405590, 10565676, 11446149, 12486708, 13207095, 15261532, 15608385, 17609460, 19076915, 20811180, 22892298, 26414190, 31216770, 34338447, 38153830, 45784596, 52828380, 57230745, 62433540, 68676894, 76307660, 114461490, 137353788, 171692235, 228922980, 343384470, 686768940]

約数ペア:

[(1, 686768940), (2, 343384470), (3, 228922980), (4, 171692235), (5, 137353788), (6, 114461490), (9, 76307660), (10, 68676894), (11, 62433540), (12, 57230745), (13, 52828380), (15, 45784596), (18, 38153830), (20, 34338447), (22, 31216770), (26, 26414190), (30, 22892298), (33, 20811180), (36, 19076915), (39, 17609460), (44, 15608385), (45, 15261532), (52, 13207095), (55, 12486708), (60, 11446149), (65, 10565676), (66, 10405590), (78, 8804730), (90, 7630766), (99, 6937060), (110, 6243354), (117, 5869820), (130, 5282838), (132, 5202795), (143, 4802580), (156, 4402365), (165, 4162236), (180, 3815383), (195, 3521892), (198, 3468530), (220, 3121677), (234, 2934910), (260, 2641419), (286, 2401290), (330, 2081118), (390, 1760946), (396, 1734265), (429, 1600860), (468, 1467455), (495, 1387412), (572, 1200645), (585, 1173964), (660, 1040559), (715, 960516), (780, 880473), (858, 800430), (990, 693706), (1170, 586982), (1287, 533620), (1430, 480258), (1716, 400215), (1980, 346853), (2145, 320172), (2340, 293491), (2574, 266810), (2860, 240129), (4290, 160086), (5148, 133405), (6435, 106724), (8580, 80043), (12870, 53362), (25740, 26681)]