20151960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2753}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 61469280

約数和(自身を除く): 41317320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2753, 3660, 5506, 7320, 8259, 11012, 13765, 16518, 22024, 27530, 33036, 41295, 55060, 66072, 82590, 110120, 165180, 167933, 330360, 335866, 503799, 671732, 839665, 1007598, 1343464, 1679330, 2015196, 2518995, 3358660, 4030392, 5037990, 6717320, 10075980, 20151960]

約数ペア:

[(1, 20151960), (2, 10075980), (3, 6717320), (4, 5037990), (5, 4030392), (6, 3358660), (8, 2518995), (10, 2015196), (12, 1679330), (15, 1343464), (20, 1007598), (24, 839665), (30, 671732), (40, 503799), (60, 335866), (61, 330360), (120, 167933), (122, 165180), (183, 110120), (244, 82590), (305, 66072), (366, 55060), (488, 41295), (610, 33036), (732, 27530), (915, 22024), (1220, 16518), (1464, 13765), (1830, 11012), (2440, 8259), (2753, 7320), (3660, 5506)]