64912400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 180821760

約数和(自身を除く): 115909360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 97, 100, 112, 140, 175, 194, 200, 239, 280, 350, 388, 400, 478, 485, 560, 679, 700, 776, 956, 970, 1195, 1358, 1400, 1552, 1673, 1912, 1940, 2390, 2425, 2716, 2800, 3346, 3395, 3824, 3880, 4780, 4850, 5432, 5975, 6692, 6790, 7760, 8365, 9560, 9700, 10864, 11950, 13384, 13580, 16730, 16975, 19120, 19400, 23183, 23900, 26768, 27160, 33460, 33950, 38800, 41825, 46366, 47800, 54320, 66920, 67900, 83650, 92732, 95600, 115915, 133840, 135800, 162281, 167300, 185464, 231830, 271600, 324562, 334600, 370928, 463660, 579575, 649124, 669200, 811405, 927320, 1159150, 1298248, 1622810, 1854640, 2318300, 2596496, 3245620, 4057025, 4636600, 6491240, 8114050, 9273200, 12982480, 16228100, 32456200, 64912400]

約数ペア:

[(1, 64912400), (2, 32456200), (4, 16228100), (5, 12982480), (7, 9273200), (8, 8114050), (10, 6491240), (14, 4636600), (16, 4057025), (20, 3245620), (25, 2596496), (28, 2318300), (35, 1854640), (40, 1622810), (50, 1298248), (56, 1159150), (70, 927320), (80, 811405), (97, 669200), (100, 649124), (112, 579575), (140, 463660), (175, 370928), (194, 334600), (200, 324562), (239, 271600), (280, 231830), (350, 185464), (388, 167300), (400, 162281), (478, 135800), (485, 133840), (560, 115915), (679, 95600), (700, 92732), (776, 83650), (956, 67900), (970, 66920), (1195, 54320), (1358, 47800), (1400, 46366), (1552, 41825), (1673, 38800), (1912, 33950), (1940, 33460), (2390, 27160), (2425, 26768), (2716, 23900), (2800, 23183), (3346, 19400), (3395, 19120), (3824, 16975), (3880, 16730), (4780, 13580), (4850, 13384), (5432, 11950), (5975, 10864), (6692, 9700), (6790, 9560), (7760, 8365)]