278218980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118897}}^1$

素因数の和:118925

約数の個数: 72

約数和(自身を含む): 908856312

約数和(自身を除く): 630637332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 118897, 237794, 356691, 475588, 594485, 713382, 1070073, 1188970, 1426764, 1545661, 1783455, 2140146, 2377940, 3091322, 3566910, 4280292, 4636983, 5350365, 6182644, 7133820, 7728305, 9273966, 10700730, 13910949, 15456610, 18547932, 21401460, 23184915, 27821898, 30913220, 46369830, 55643796, 69554745, 92739660, 139109490, 278218980]

約数ペア:

[(1, 278218980), (2, 139109490), (3, 92739660), (4, 69554745), (5, 55643796), (6, 46369830), (9, 30913220), (10, 27821898), (12, 23184915), (13, 21401460), (15, 18547932), (18, 15456610), (20, 13910949), (26, 10700730), (30, 9273966), (36, 7728305), (39, 7133820), (45, 6182644), (52, 5350365), (60, 4636983), (65, 4280292), (78, 3566910), (90, 3091322), (117, 2377940), (130, 2140146), (156, 1783455), (180, 1545661), (195, 1426764), (234, 1188970), (260, 1070073), (390, 713382), (468, 594485), (585, 475588), (780, 356691), (1170, 237794), (2340, 118897)]