649396860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{2081}}^1$

素因数の和:2843

約数の個数: 96

約数和(自身を含む): 2081866752

約数和(自身を除く): 1432469892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 743, 1486, 2081, 2229, 2972, 3715, 4162, 4458, 5201, 6243, 7430, 8324, 8916, 10402, 10405, 11145, 12486, 14567, 14860, 15603, 20804, 20810, 22290, 24972, 26005, 29134, 31206, 31215, 41620, 43701, 44580, 52010, 58268, 62412, 62430, 72835, 78015, 87402, 104020, 124860, 145670, 156030, 174804, 218505, 291340, 312060, 437010, 874020, 1546183, 3092366, 4638549, 6184732, 7730915, 9277098, 10823281, 15461830, 18554196, 21646562, 23192745, 30923660, 32469843, 43293124, 46385490, 54116405, 64939686, 92770980, 108232810, 129879372, 162349215, 216465620, 324698430, 649396860]

約数ペア:

[(1, 649396860), (2, 324698430), (3, 216465620), (4, 162349215), (5, 129879372), (6, 108232810), (7, 92770980), (10, 64939686), (12, 54116405), (14, 46385490), (15, 43293124), (20, 32469843), (21, 30923660), (28, 23192745), (30, 21646562), (35, 18554196), (42, 15461830), (60, 10823281), (70, 9277098), (84, 7730915), (105, 6184732), (140, 4638549), (210, 3092366), (420, 1546183), (743, 874020), (1486, 437010), (2081, 312060), (2229, 291340), (2972, 218505), (3715, 174804), (4162, 156030), (4458, 145670), (5201, 124860), (6243, 104020), (7430, 87402), (8324, 78015), (8916, 72835), (10402, 62430), (10405, 62412), (11145, 58268), (12486, 52010), (14567, 44580), (14860, 43701), (15603, 41620), (20804, 31215), (20810, 31206), (22290, 29134), (24972, 26005)]