7638540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1399}}^1$

素因数の和:1431

約数の個数: 96

約数和(自身を含む): 26342400

約数和(自身を除く): 18703860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1399, 1820, 2730, 2798, 4197, 5460, 5596, 6995, 8394, 9793, 13990, 16788, 18187, 19586, 20985, 27980, 29379, 36374, 39172, 41970, 48965, 54561, 58758, 72748, 83940, 90935, 97930, 109122, 117516, 127309, 146895, 181870, 195860, 218244, 254618, 272805, 293790, 363740, 381927, 509236, 545610, 587580, 636545, 763854, 1091220, 1273090, 1527708, 1909635, 2546180, 3819270, 7638540]

約数ペア:

[(1, 7638540), (2, 3819270), (3, 2546180), (4, 1909635), (5, 1527708), (6, 1273090), (7, 1091220), (10, 763854), (12, 636545), (13, 587580), (14, 545610), (15, 509236), (20, 381927), (21, 363740), (26, 293790), (28, 272805), (30, 254618), (35, 218244), (39, 195860), (42, 181870), (52, 146895), (60, 127309), (65, 117516), (70, 109122), (78, 97930), (84, 90935), (91, 83940), (105, 72748), (130, 58758), (140, 54561), (156, 48965), (182, 41970), (195, 39172), (210, 36374), (260, 29379), (273, 27980), (364, 20985), (390, 19586), (420, 18187), (455, 16788), (546, 13990), (780, 9793), (910, 8394), (1092, 6995), (1365, 5596), (1399, 5460), (1820, 4197), (2730, 2798)]