16489980

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 57859200

約数和(自身を除く): 41369220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 243, 260, 261, 270, 290, 324, 348, 351, 377, 390, 405, 435, 468, 486, 522, 540, 580, 585, 702, 729, 754, 780, 783, 810, 870, 972, 1044, 1053, 1131, 1170, 1215, 1305, 1404, 1458, 1508, 1566, 1620, 1740, 1755, 1885, 2106, 2187, 2262, 2340, 2349, 2430, 2610, 2916, 3132, 3159, 3393, 3510, 3645, 3770, 3915, 4212, 4374, 4524, 4698, 4860, 5220, 5265, 5655, 6318, 6786, 7020, 7047, 7290, 7540, 7830, 8748, 9396, 9477, 10179, 10530, 10935, 11310, 11745, 12636, 13572, 14094, 14580, 15660, 15795, 16965, 18954, 20358, 21060, 21141, 21870, 22620, 23490, 28188, 28431, 30537, 31590, 33930, 35235, 37908, 40716, 42282, 43740, 46980, 47385, 50895, 56862, 61074, 63180, 63423, 67860, 70470, 84564, 91611, 94770, 101790, 105705, 113724, 122148, 126846, 140940, 142155, 152685, 183222, 189540, 203580, 211410, 253692, 274833, 284310, 305370, 317115, 366444, 422820, 458055, 549666, 568620, 610740, 634230, 824499, 916110, 1099332, 1268460, 1374165, 1648998, 1832220, 2748330, 3297996, 4122495, 5496660, 8244990, 16489980]

約数ペア:

[(1, 16489980), (2, 8244990), (3, 5496660), (4, 4122495), (5, 3297996), (6, 2748330), (9, 1832220), (10, 1648998), (12, 1374165), (13, 1268460), (15, 1099332), (18, 916110), (20, 824499), (26, 634230), (27, 610740), (29, 568620), (30, 549666), (36, 458055), (39, 422820), (45, 366444), (52, 317115), (54, 305370), (58, 284310), (60, 274833), (65, 253692), (78, 211410), (81, 203580), (87, 189540), (90, 183222), (108, 152685), (116, 142155), (117, 140940), (130, 126846), (135, 122148), (145, 113724), (156, 105705), (162, 101790), (174, 94770), (180, 91611), (195, 84564), (234, 70470), (243, 67860), (260, 63423), (261, 63180), (270, 61074), (290, 56862), (324, 50895), (348, 47385), (351, 46980), (377, 43740), (390, 42282), (405, 40716), (435, 37908), (468, 35235), (486, 33930), (522, 31590), (540, 30537), (580, 28431), (585, 28188), (702, 23490), (729, 22620), (754, 21870), (780, 21141), (783, 21060), (810, 20358), (870, 18954), (972, 16965), (1044, 15795), (1053, 15660), (1131, 14580), (1170, 14094), (1215, 13572), (1305, 12636), (1404, 11745), (1458, 11310), (1508, 10935), (1566, 10530), (1620, 10179), (1740, 9477), (1755, 9396), (1885, 8748), (2106, 7830), (2187, 7540), (2262, 7290), (2340, 7047), (2349, 7020), (2430, 6786), (2610, 6318), (2916, 5655), (3132, 5265), (3159, 5220), (3393, 4860), (3510, 4698), (3645, 4524), (3770, 4374), (3915, 4212)]