129009720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 444579840

約数和(自身を除く): 315570120

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, 383, 401, 420, 766, 802, 840, 1149, 1203, 1532, 1604, 1915, 2005, 2298, 2406, 2681, 2807, 3064, 3208, 3830, 4010, 4596, 4812, 5362, 5614, 5745, 6015, 7660, 8020, 8043, 8421, 9192, 9624, 10724, 11228, 11490, 12030, 13405, 14035, 15320, 16040, 16086, 16842, 21448, 22456, 22980, 24060, 26810, 28070, 32172, 33684, 40215, 42105, 45960, 48120, 53620, 56140, 64344, 67368, 80430, 84210, 107240, 112280, 153583, 160860, 168420, 307166, 321720, 336840, 460749, 614332, 767915, 921498, 1075081, 1228664, 1535830, 1842996, 2150162, 2303745, 3071660, 3225243, 3685992, 4300324, 4607490, 5375405, 6143320, 6450486, 8600648, 9214980, 10750810, 12900972, 16126215, 18429960, 21501620, 25801944, 32252430, 43003240, 64504860, 129009720]

約数ペア:

[(1, 129009720), (2, 64504860), (3, 43003240), (4, 32252430), (5, 25801944), (6, 21501620), (7, 18429960), (8, 16126215), (10, 12900972), (12, 10750810), (14, 9214980), (15, 8600648), (20, 6450486), (21, 6143320), (24, 5375405), (28, 4607490), (30, 4300324), (35, 3685992), (40, 3225243), (42, 3071660), (56, 2303745), (60, 2150162), (70, 1842996), (84, 1535830), (105, 1228664), (120, 1075081), (140, 921498), (168, 767915), (210, 614332), (280, 460749), (383, 336840), (401, 321720), (420, 307166), (766, 168420), (802, 160860), (840, 153583), (1149, 112280), (1203, 107240), (1532, 84210), (1604, 80430), (1915, 67368), (2005, 64344), (2298, 56140), (2406, 53620), (2681, 48120), (2807, 45960), (3064, 42105), (3208, 40215), (3830, 33684), (4010, 32172), (4596, 28070), (4812, 26810), (5362, 24060), (5614, 22980), (5745, 22456), (6015, 21448), (7660, 16842), (8020, 16086), (8043, 16040), (8421, 15320), (9192, 14035), (9624, 13405), (10724, 12030), (11228, 11490)]