16720860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 54232416

約数和(自身を除く): 37511556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 97, 102, 130, 156, 169, 170, 194, 195, 204, 221, 255, 260, 291, 338, 340, 388, 390, 442, 485, 507, 510, 582, 663, 676, 780, 845, 884, 970, 1014, 1020, 1105, 1164, 1261, 1326, 1455, 1649, 1690, 1940, 2028, 2210, 2522, 2535, 2652, 2873, 2910, 3298, 3315, 3380, 3783, 4420, 4947, 5044, 5070, 5746, 5820, 6305, 6596, 6630, 7566, 8245, 8619, 9894, 10140, 11492, 12610, 13260, 14365, 15132, 16393, 16490, 17238, 18915, 19788, 21437, 24735, 25220, 28730, 32786, 32980, 34476, 37830, 42874, 43095, 49179, 49470, 57460, 64311, 65572, 75660, 81965, 85748, 86190, 98358, 98940, 107185, 128622, 163930, 172380, 196716, 214370, 245895, 257244, 278681, 321555, 327860, 428740, 491790, 557362, 643110, 836043, 983580, 1114724, 1286220, 1393405, 1672086, 2786810, 3344172, 4180215, 5573620, 8360430, 16720860]

約数ペア:

[(1, 16720860), (2, 8360430), (3, 5573620), (4, 4180215), (5, 3344172), (6, 2786810), (10, 1672086), (12, 1393405), (13, 1286220), (15, 1114724), (17, 983580), (20, 836043), (26, 643110), (30, 557362), (34, 491790), (39, 428740), (51, 327860), (52, 321555), (60, 278681), (65, 257244), (68, 245895), (78, 214370), (85, 196716), (97, 172380), (102, 163930), (130, 128622), (156, 107185), (169, 98940), (170, 98358), (194, 86190), (195, 85748), (204, 81965), (221, 75660), (255, 65572), (260, 64311), (291, 57460), (338, 49470), (340, 49179), (388, 43095), (390, 42874), (442, 37830), (485, 34476), (507, 32980), (510, 32786), (582, 28730), (663, 25220), (676, 24735), (780, 21437), (845, 19788), (884, 18915), (970, 17238), (1014, 16490), (1020, 16393), (1105, 15132), (1164, 14365), (1261, 13260), (1326, 12610), (1455, 11492), (1649, 10140), (1690, 9894), (1940, 8619), (2028, 8245), (2210, 7566), (2522, 6630), (2535, 6596), (2652, 6305), (2873, 5820), (2910, 5746), (3298, 5070), (3315, 5044), (3380, 4947), (3783, 4420)]