31295728980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{960581}}^1$

素因数の和:960777

約数の個数: 72

約数和(自身を含む): 95454954504

約数和(自身を除く): 64159225524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 960581, 1921162, 2881743, 3842324, 4802905, 5763486, 8645229, 9605810, 11526972, 14408715, 17290458, 19211620, 28817430, 34580916, 43226145, 57634860, 86452290, 172904580, 173865161, 347730322, 521595483, 695460644, 869325805, 1043190966, 1564786449, 1738651610, 2086381932, 2607977415, 3129572898, 3477303220, 5215954830, 6259145796, 7823932245, 10431909660, 15647864490, 31295728980]

約数ペア:

[(1, 31295728980), (2, 15647864490), (3, 10431909660), (4, 7823932245), (5, 6259145796), (6, 5215954830), (9, 3477303220), (10, 3129572898), (12, 2607977415), (15, 2086381932), (18, 1738651610), (20, 1564786449), (30, 1043190966), (36, 869325805), (45, 695460644), (60, 521595483), (90, 347730322), (180, 173865161), (181, 172904580), (362, 86452290), (543, 57634860), (724, 43226145), (905, 34580916), (1086, 28817430), (1629, 19211620), (1810, 17290458), (2172, 14408715), (2715, 11526972), (3258, 9605810), (3620, 8645229), (5430, 5763486), (6516, 4802905), (8145, 3842324), (10860, 2881743), (16290, 1921162), (32580, 960581)]