31989720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{38083}}^1$

素因数の和:38104

約数の個数: 64

約数和(自身を含む): 109681920

約数和(自身を除く): 77692200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 38083, 76166, 114249, 152332, 190415, 228498, 266581, 304664, 380830, 456996, 533162, 571245, 761660, 799743, 913992, 1066324, 1142490, 1332905, 1523320, 1599486, 2132648, 2284980, 2665810, 3198972, 3998715, 4569960, 5331620, 6397944, 7997430, 10663240, 15994860, 31989720]

約数ペア:

[(1, 31989720), (2, 15994860), (3, 10663240), (4, 7997430), (5, 6397944), (6, 5331620), (7, 4569960), (8, 3998715), (10, 3198972), (12, 2665810), (14, 2284980), (15, 2132648), (20, 1599486), (21, 1523320), (24, 1332905), (28, 1142490), (30, 1066324), (35, 913992), (40, 799743), (42, 761660), (56, 571245), (60, 533162), (70, 456996), (84, 380830), (105, 304664), (120, 266581), (140, 228498), (168, 190415), (210, 152332), (280, 114249), (420, 76166), (840, 38083)]