260704860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19661}}^1$

素因数の和:19703

約数の個数: 96

約数和(自身を含む): 832410432

約数和(自身を除く): 571705572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 2210, 2652, 3315, 4420, 6630, 13260, 19661, 39322, 58983, 78644, 98305, 117966, 196610, 235932, 255593, 294915, 334237, 393220, 511186, 589830, 668474, 766779, 1002711, 1022372, 1179660, 1277965, 1336948, 1533558, 1671185, 2005422, 2555930, 3067116, 3342370, 3833895, 4010844, 4345081, 5013555, 5111860, 6684740, 7667790, 8690162, 10027110, 13035243, 15335580, 17380324, 20054220, 21725405, 26070486, 43450810, 52140972, 65176215, 86901620, 130352430, 260704860]

約数ペア:

[(1, 260704860), (2, 130352430), (3, 86901620), (4, 65176215), (5, 52140972), (6, 43450810), (10, 26070486), (12, 21725405), (13, 20054220), (15, 17380324), (17, 15335580), (20, 13035243), (26, 10027110), (30, 8690162), (34, 7667790), (39, 6684740), (51, 5111860), (52, 5013555), (60, 4345081), (65, 4010844), (68, 3833895), (78, 3342370), (85, 3067116), (102, 2555930), (130, 2005422), (156, 1671185), (170, 1533558), (195, 1336948), (204, 1277965), (221, 1179660), (255, 1022372), (260, 1002711), (340, 766779), (390, 668474), (442, 589830), (510, 511186), (663, 393220), (780, 334237), (884, 294915), (1020, 255593), (1105, 235932), (1326, 196610), (2210, 117966), (2652, 98305), (3315, 78644), (4420, 58983), (6630, 39322), (13260, 19661)]