1553999440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1583}}^1\times {\mathrm{1753}}^1$

素因数の和:3356

約数の個数: 80

約数和(自身を含む): 4134163968

約数和(自身を除く): 2580164528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1583, 1753, 3166, 3506, 6332, 7012, 7915, 8765, 11081, 12271, 12664, 14024, 15830, 17530, 22162, 24542, 25328, 28048, 31660, 35060, 44324, 49084, 55405, 61355, 63320, 70120, 88648, 98168, 110810, 122710, 126640, 140240, 177296, 196336, 221620, 245420, 443240, 490840, 886480, 981680, 2774999, 5549998, 11099996, 13874995, 19424993, 22199992, 27749990, 38849986, 44399984, 55499980, 77699972, 97124965, 110999960, 155399944, 194249930, 221999920, 310799888, 388499860, 776999720, 1553999440]

約数ペア:

[(1, 1553999440), (2, 776999720), (4, 388499860), (5, 310799888), (7, 221999920), (8, 194249930), (10, 155399944), (14, 110999960), (16, 97124965), (20, 77699972), (28, 55499980), (35, 44399984), (40, 38849986), (56, 27749990), (70, 22199992), (80, 19424993), (112, 13874995), (140, 11099996), (280, 5549998), (560, 2774999), (1583, 981680), (1753, 886480), (3166, 490840), (3506, 443240), (6332, 245420), (7012, 221620), (7915, 196336), (8765, 177296), (11081, 140240), (12271, 126640), (12664, 122710), (14024, 110810), (15830, 98168), (17530, 88648), (22162, 70120), (24542, 63320), (25328, 61355), (28048, 55405), (31660, 49084), (35060, 44324)]