15824720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 40176000

約数和(自身を除く): 24351280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 359, 380, 464, 551, 580, 718, 760, 1102, 1160, 1436, 1520, 1795, 2204, 2320, 2755, 2872, 3590, 4408, 5510, 5744, 6821, 7180, 8816, 10411, 11020, 13642, 14360, 20822, 22040, 27284, 28720, 34105, 41644, 44080, 52055, 54568, 68210, 83288, 104110, 109136, 136420, 166576, 197809, 208220, 272840, 395618, 416440, 545680, 791236, 832880, 989045, 1582472, 1978090, 3164944, 3956180, 7912360, 15824720]

約数ペア:

[(1, 15824720), (2, 7912360), (4, 3956180), (5, 3164944), (8, 1978090), (10, 1582472), (16, 989045), (19, 832880), (20, 791236), (29, 545680), (38, 416440), (40, 395618), (58, 272840), (76, 208220), (80, 197809), (95, 166576), (116, 136420), (145, 109136), (152, 104110), (190, 83288), (232, 68210), (290, 54568), (304, 52055), (359, 44080), (380, 41644), (464, 34105), (551, 28720), (580, 27284), (718, 22040), (760, 20822), (1102, 14360), (1160, 13642), (1436, 11020), (1520, 10411), (1795, 8816), (2204, 7180), (2320, 6821), (2755, 5744), (2872, 5510), (3590, 4408)]