90027980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 229146624

約数和(自身を除く): 139118644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 73, 92, 115, 140, 146, 161, 230, 292, 322, 365, 383, 460, 511, 644, 730, 766, 805, 1022, 1460, 1532, 1610, 1679, 1915, 2044, 2555, 2681, 3220, 3358, 3830, 5110, 5362, 6716, 7660, 8395, 8809, 10220, 10724, 11753, 13405, 16790, 17618, 23506, 26810, 27959, 33580, 35236, 44045, 47012, 53620, 55918, 58765, 61663, 88090, 111836, 117530, 123326, 139795, 176180, 195713, 235060, 246652, 279590, 308315, 391426, 559180, 616630, 643057, 782852, 978565, 1233260, 1286114, 1957130, 2572228, 3215285, 3914260, 4501399, 6430570, 9002798, 12861140, 18005596, 22506995, 45013990, 90027980]

約数ペア:

[(1, 90027980), (2, 45013990), (4, 22506995), (5, 18005596), (7, 12861140), (10, 9002798), (14, 6430570), (20, 4501399), (23, 3914260), (28, 3215285), (35, 2572228), (46, 1957130), (70, 1286114), (73, 1233260), (92, 978565), (115, 782852), (140, 643057), (146, 616630), (161, 559180), (230, 391426), (292, 308315), (322, 279590), (365, 246652), (383, 235060), (460, 195713), (511, 176180), (644, 139795), (730, 123326), (766, 117530), (805, 111836), (1022, 88090), (1460, 61663), (1532, 58765), (1610, 55918), (1679, 53620), (1915, 47012), (2044, 44045), (2555, 35236), (2681, 33580), (3220, 27959), (3358, 26810), (3830, 23506), (5110, 17618), (5362, 16790), (6716, 13405), (7660, 11753), (8395, 10724), (8809, 10220)]