123362440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 310262400

約数和(自身を除く): 186899960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 41, 74, 76, 82, 95, 107, 148, 152, 164, 185, 190, 205, 214, 296, 328, 370, 380, 410, 428, 535, 703, 740, 760, 779, 820, 856, 1070, 1406, 1480, 1517, 1558, 1640, 2033, 2140, 2812, 3034, 3116, 3515, 3895, 3959, 4066, 4280, 4387, 5624, 6068, 6232, 7030, 7585, 7790, 7918, 8132, 8774, 10165, 12136, 14060, 15170, 15580, 15836, 16264, 17548, 19795, 20330, 21935, 28120, 28823, 30340, 31160, 31672, 35096, 39590, 40660, 43870, 57646, 60680, 75221, 79180, 81320, 83353, 87740, 115292, 144115, 150442, 158360, 162319, 166706, 175480, 230584, 288230, 300884, 324638, 333412, 376105, 416765, 576460, 601768, 649276, 666824, 752210, 811595, 833530, 1152920, 1298552, 1504420, 1623190, 1667060, 3008840, 3084061, 3246380, 3334120, 6168122, 6492760, 12336244, 15420305, 24672488, 30840610, 61681220, 123362440]

約数ペア:

[(1, 123362440), (2, 61681220), (4, 30840610), (5, 24672488), (8, 15420305), (10, 12336244), (19, 6492760), (20, 6168122), (37, 3334120), (38, 3246380), (40, 3084061), (41, 3008840), (74, 1667060), (76, 1623190), (82, 1504420), (95, 1298552), (107, 1152920), (148, 833530), (152, 811595), (164, 752210), (185, 666824), (190, 649276), (205, 601768), (214, 576460), (296, 416765), (328, 376105), (370, 333412), (380, 324638), (410, 300884), (428, 288230), (535, 230584), (703, 175480), (740, 166706), (760, 162319), (779, 158360), (820, 150442), (856, 144115), (1070, 115292), (1406, 87740), (1480, 83353), (1517, 81320), (1558, 79180), (1640, 75221), (2033, 60680), (2140, 57646), (2812, 43870), (3034, 40660), (3116, 39590), (3515, 35096), (3895, 31672), (3959, 31160), (4066, 30340), (4280, 28823), (4387, 28120), (5624, 21935), (6068, 20330), (6232, 19795), (7030, 17548), (7585, 16264), (7790, 15836), (7918, 15580), (8132, 15170), (8774, 14060), (10165, 12136)]