1619940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 5745600

約数和(自身を除く): 4125660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 29, 30, 35, 38, 42, 49, 57, 58, 60, 70, 76, 84, 87, 95, 98, 105, 114, 116, 133, 140, 145, 147, 174, 190, 196, 203, 210, 228, 245, 266, 285, 290, 294, 348, 380, 399, 406, 420, 435, 490, 532, 551, 570, 580, 588, 609, 665, 735, 798, 812, 870, 931, 980, 1015, 1102, 1140, 1218, 1330, 1421, 1470, 1596, 1653, 1740, 1862, 1995, 2030, 2204, 2436, 2660, 2755, 2793, 2842, 2940, 3045, 3306, 3724, 3857, 3990, 4060, 4263, 4655, 5510, 5586, 5684, 6090, 6612, 7105, 7714, 7980, 8265, 8526, 9310, 11020, 11172, 11571, 12180, 13965, 14210, 15428, 16530, 17052, 18620, 19285, 21315, 23142, 26999, 27930, 28420, 33060, 38570, 42630, 46284, 53998, 55860, 57855, 77140, 80997, 85260, 107996, 115710, 134995, 161994, 231420, 269990, 323988, 404985, 539980, 809970, 1619940]

約数ペア:

[(1, 1619940), (2, 809970), (3, 539980), (4, 404985), (5, 323988), (6, 269990), (7, 231420), (10, 161994), (12, 134995), (14, 115710), (15, 107996), (19, 85260), (20, 80997), (21, 77140), (28, 57855), (29, 55860), (30, 53998), (35, 46284), (38, 42630), (42, 38570), (49, 33060), (57, 28420), (58, 27930), (60, 26999), (70, 23142), (76, 21315), (84, 19285), (87, 18620), (95, 17052), (98, 16530), (105, 15428), (114, 14210), (116, 13965), (133, 12180), (140, 11571), (145, 11172), (147, 11020), (174, 9310), (190, 8526), (196, 8265), (203, 7980), (210, 7714), (228, 7105), (245, 6612), (266, 6090), (285, 5684), (290, 5586), (294, 5510), (348, 4655), (380, 4263), (399, 4060), (406, 3990), (420, 3857), (435, 3724), (490, 3306), (532, 3045), (551, 2940), (570, 2842), (580, 2793), (588, 2755), (609, 2660), (665, 2436), (735, 2204), (798, 2030), (812, 1995), (870, 1862), (931, 1740), (980, 1653), (1015, 1596), (1102, 1470), (1140, 1421), (1218, 1330)]