157220820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45971}}^1$

素因数の和:46005

約数の個数: 72

約数和(自身を含む): 502014240

約数和(自身を除く): 344793420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 45971, 91942, 137913, 183884, 229855, 275826, 413739, 459710, 551652, 689565, 827478, 873449, 919420, 1379130, 1654956, 1746898, 2068695, 2620347, 2758260, 3493796, 4137390, 4367245, 5240694, 7861041, 8274780, 8734490, 10481388, 13101735, 15722082, 17468980, 26203470, 31444164, 39305205, 52406940, 78610410, 157220820]

約数ペア:

[(1, 157220820), (2, 78610410), (3, 52406940), (4, 39305205), (5, 31444164), (6, 26203470), (9, 17468980), (10, 15722082), (12, 13101735), (15, 10481388), (18, 8734490), (19, 8274780), (20, 7861041), (30, 5240694), (36, 4367245), (38, 4137390), (45, 3493796), (57, 2758260), (60, 2620347), (76, 2068695), (90, 1746898), (95, 1654956), (114, 1379130), (171, 919420), (180, 873449), (190, 827478), (228, 689565), (285, 551652), (342, 459710), (380, 413739), (570, 275826), (684, 229855), (855, 183884), (1140, 137913), (1710, 91942), (3420, 45971)]