2144720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 80

約数和(自身を含む): 5624640

約数和(自身を除く): 3479920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 83, 85, 95, 136, 152, 166, 170, 190, 272, 304, 323, 332, 340, 380, 415, 646, 664, 680, 760, 830, 1292, 1328, 1360, 1411, 1520, 1577, 1615, 1660, 2584, 2822, 3154, 3230, 3320, 5168, 5644, 6308, 6460, 6640, 7055, 7885, 11288, 12616, 12920, 14110, 15770, 22576, 25232, 25840, 26809, 28220, 31540, 53618, 56440, 63080, 107236, 112880, 126160, 134045, 214472, 268090, 428944, 536180, 1072360, 2144720]

約数ペア:

[(1, 2144720), (2, 1072360), (4, 536180), (5, 428944), (8, 268090), (10, 214472), (16, 134045), (17, 126160), (19, 112880), (20, 107236), (34, 63080), (38, 56440), (40, 53618), (68, 31540), (76, 28220), (80, 26809), (83, 25840), (85, 25232), (95, 22576), (136, 15770), (152, 14110), (166, 12920), (170, 12616), (190, 11288), (272, 7885), (304, 7055), (323, 6640), (332, 6460), (340, 6308), (380, 5644), (415, 5168), (646, 3320), (664, 3230), (680, 3154), (760, 2822), (830, 2584), (1292, 1660), (1328, 1615), (1360, 1577), (1411, 1520)]