12787380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3773

約数の個数: 72

約数和(自身を含む): 40840800

約数和(自身を除く): 28053420

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, 3739, 7478, 11217, 14956, 18695, 22434, 33651, 37390, 44868, 56085, 67302, 71041, 74780, 112170, 134604, 142082, 168255, 213123, 224340, 284164, 336510, 355205, 426246, 639369, 673020, 710410, 852492, 1065615, 1278738, 1420820, 2131230, 2557476, 3196845, 4262460, 6393690, 12787380]

約数ペア:

[(1, 12787380), (2, 6393690), (3, 4262460), (4, 3196845), (5, 2557476), (6, 2131230), (9, 1420820), (10, 1278738), (12, 1065615), (15, 852492), (18, 710410), (19, 673020), (20, 639369), (30, 426246), (36, 355205), (38, 336510), (45, 284164), (57, 224340), (60, 213123), (76, 168255), (90, 142082), (95, 134604), (114, 112170), (171, 74780), (180, 71041), (190, 67302), (228, 56085), (285, 44868), (342, 37390), (380, 33651), (570, 22434), (684, 18695), (855, 14956), (1140, 11217), (1710, 7478), (3420, 3739)]