393873840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 120

約数和(自身を含む): 1371818448

約数和(自身を除く): 977944608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 20261, 40522, 60783, 81044, 101305, 121566, 162088, 182349, 202610, 243132, 303915, 324176, 364698, 405220, 486264, 547047, 607830, 729396, 810440, 911745, 972528, 1094094, 1215660, 1458792, 1620880, 1641141, 1823490, 2188188, 2431320, 2735235, 2917584, 3282282, 3646980, 4376376, 4862640, 4923423, 5470470, 6564564, 7293960, 8205705, 8752752, 9846846, 10940940, 13129128, 14587920, 16411410, 19693692, 21881880, 24617115, 26258256, 32822820, 39387384, 43763760, 49234230, 65645640, 78774768, 98468460, 131291280, 196936920, 393873840]

約数ペア:

[(1, 393873840), (2, 196936920), (3, 131291280), (4, 98468460), (5, 78774768), (6, 65645640), (8, 49234230), (9, 43763760), (10, 39387384), (12, 32822820), (15, 26258256), (16, 24617115), (18, 21881880), (20, 19693692), (24, 16411410), (27, 14587920), (30, 13129128), (36, 10940940), (40, 9846846), (45, 8752752), (48, 8205705), (54, 7293960), (60, 6564564), (72, 5470470), (80, 4923423), (81, 4862640), (90, 4376376), (108, 3646980), (120, 3282282), (135, 2917584), (144, 2735235), (162, 2431320), (180, 2188188), (216, 1823490), (240, 1641141), (243, 1620880), (270, 1458792), (324, 1215660), (360, 1094094), (405, 972528), (432, 911745), (486, 810440), (540, 729396), (648, 607830), (720, 547047), (810, 486264), (972, 405220), (1080, 364698), (1215, 324176), (1296, 303915), (1620, 243132), (1944, 202610), (2160, 182349), (2430, 162088), (3240, 121566), (3888, 101305), (4860, 81044), (6480, 60783), (9720, 40522), (19440, 20261)]