15019480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 40219200

約数和(自身を除く): 25199720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 97, 98, 140, 158, 194, 196, 245, 280, 316, 388, 392, 395, 485, 490, 553, 632, 679, 776, 790, 970, 980, 1106, 1358, 1580, 1940, 1960, 2212, 2716, 2765, 3160, 3395, 3871, 3880, 4424, 4753, 5432, 5530, 6790, 7663, 7742, 9506, 11060, 13580, 15326, 15484, 19012, 19355, 22120, 23765, 27160, 30652, 30968, 38024, 38315, 38710, 47530, 53641, 61304, 76630, 77420, 95060, 107282, 153260, 154840, 190120, 214564, 268205, 306520, 375487, 429128, 536410, 750974, 1072820, 1501948, 1877435, 2145640, 3003896, 3754870, 7509740, 15019480]

約数ペア:

[(1, 15019480), (2, 7509740), (4, 3754870), (5, 3003896), (7, 2145640), (8, 1877435), (10, 1501948), (14, 1072820), (20, 750974), (28, 536410), (35, 429128), (40, 375487), (49, 306520), (56, 268205), (70, 214564), (79, 190120), (97, 154840), (98, 153260), (140, 107282), (158, 95060), (194, 77420), (196, 76630), (245, 61304), (280, 53641), (316, 47530), (388, 38710), (392, 38315), (395, 38024), (485, 30968), (490, 30652), (553, 27160), (632, 23765), (679, 22120), (776, 19355), (790, 19012), (970, 15484), (980, 15326), (1106, 13580), (1358, 11060), (1580, 9506), (1940, 7742), (1960, 7663), (2212, 6790), (2716, 5530), (2765, 5432), (3160, 4753), (3395, 4424), (3871, 3880)]