620170020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{127607}}^1$

素因数の和:127631

約数の個数: 72

約数和(自身を含む): 1950871104

約数和(自身を除く): 1330701084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 127607, 255214, 382821, 510428, 638035, 765642, 1148463, 1276070, 1531284, 1914105, 2296926, 2552140, 3445389, 3828210, 4593852, 5742315, 6890778, 7656420, 10336167, 11484630, 13781556, 17226945, 20672334, 22969260, 31008501, 34453890, 41344668, 51680835, 62017002, 68907780, 103361670, 124034004, 155042505, 206723340, 310085010, 620170020]

約数ペア:

[(1, 620170020), (2, 310085010), (3, 206723340), (4, 155042505), (5, 124034004), (6, 103361670), (9, 68907780), (10, 62017002), (12, 51680835), (15, 41344668), (18, 34453890), (20, 31008501), (27, 22969260), (30, 20672334), (36, 17226945), (45, 13781556), (54, 11484630), (60, 10336167), (81, 7656420), (90, 6890778), (108, 5742315), (135, 4593852), (162, 3828210), (180, 3445389), (243, 2552140), (270, 2296926), (324, 1914105), (405, 1531284), (486, 1276070), (540, 1148463), (810, 765642), (972, 638035), (1215, 510428), (1620, 382821), (2430, 255214), (4860, 127607)]