388689660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6899}}^1$

素因数の和:7227

約数の個数: 72

約数和(自身を含む): 1182963600

約数和(自身を除く): 794273940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3756, 4695, 5634, 6260, 6899, 9390, 11268, 13798, 14085, 18780, 20697, 27596, 28170, 34495, 41394, 56340, 62091, 68990, 82788, 103485, 124182, 137980, 206970, 248364, 310455, 413940, 620910, 1241820, 2159387, 4318774, 6478161, 8637548, 10796935, 12956322, 19434483, 21593870, 25912644, 32390805, 38868966, 43187740, 64781610, 77737932, 97172415, 129563220, 194344830, 388689660]

約数ペア:

[(1, 388689660), (2, 194344830), (3, 129563220), (4, 97172415), (5, 77737932), (6, 64781610), (9, 43187740), (10, 38868966), (12, 32390805), (15, 25912644), (18, 21593870), (20, 19434483), (30, 12956322), (36, 10796935), (45, 8637548), (60, 6478161), (90, 4318774), (180, 2159387), (313, 1241820), (626, 620910), (939, 413940), (1252, 310455), (1565, 248364), (1878, 206970), (2817, 137980), (3130, 124182), (3756, 103485), (4695, 82788), (5634, 68990), (6260, 62091), (6899, 56340), (9390, 41394), (11268, 34495), (13798, 28170), (14085, 27596), (18780, 20697)]