21795186120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1\times {\mathrm{5639}}^1$

素因数の和:6723

約数の個数: 128

約数和(自身を含む): 67571712000

約数和(自身を除く): 45776525880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1039, 1240, 1860, 2078, 3117, 3720, 4156, 5195, 5639, 6234, 8312, 10390, 11278, 12468, 15585, 16917, 20780, 22556, 24936, 28195, 31170, 32209, 33834, 41560, 45112, 56390, 62340, 64418, 67668, 84585, 96627, 112780, 124680, 128836, 135336, 161045, 169170, 174809, 193254, 225560, 257672, 322090, 338340, 349618, 386508, 483135, 524427, 644180, 676680, 699236, 773016, 874045, 966270, 1048854, 1288360, 1398472, 1748090, 1932540, 2097708, 2622135, 3496180, 3865080, 4195416, 5244270, 5858921, 6992360, 10488540, 11717842, 17576763, 20977080, 23435684, 29294605, 35153526, 46871368, 58589210, 70307052, 87883815, 117178420, 140614104, 175767630, 181626551, 234356840, 351535260, 363253102, 544879653, 703070520, 726506204, 908132755, 1089759306, 1453012408, 1816265510, 2179518612, 2724398265, 3632531020, 4359037224, 5448796530, 7265062040, 10897593060, 21795186120]

約数ペア:

[(1, 21795186120), (2, 10897593060), (3, 7265062040), (4, 5448796530), (5, 4359037224), (6, 3632531020), (8, 2724398265), (10, 2179518612), (12, 1816265510), (15, 1453012408), (20, 1089759306), (24, 908132755), (30, 726506204), (31, 703070520), (40, 544879653), (60, 363253102), (62, 351535260), (93, 234356840), (120, 181626551), (124, 175767630), (155, 140614104), (186, 117178420), (248, 87883815), (310, 70307052), (372, 58589210), (465, 46871368), (620, 35153526), (744, 29294605), (930, 23435684), (1039, 20977080), (1240, 17576763), (1860, 11717842), (2078, 10488540), (3117, 6992360), (3720, 5858921), (4156, 5244270), (5195, 4195416), (5639, 3865080), (6234, 3496180), (8312, 2622135), (10390, 2097708), (11278, 1932540), (12468, 1748090), (15585, 1398472), (16917, 1288360), (20780, 1048854), (22556, 966270), (24936, 874045), (28195, 773016), (31170, 699236), (32209, 676680), (33834, 644180), (41560, 524427), (45112, 483135), (56390, 386508), (62340, 349618), (64418, 338340), (67668, 322090), (84585, 257672), (96627, 225560), (112780, 193254), (124680, 174809), (128836, 169170), (135336, 161045)]