42458780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 112613760

約数和(自身を除く): 70154980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 182, 205, 260, 287, 364, 410, 455, 533, 569, 574, 820, 910, 1066, 1138, 1148, 1435, 1820, 2132, 2276, 2665, 2845, 2870, 3731, 3983, 5330, 5690, 5740, 7397, 7462, 7966, 10660, 11380, 14794, 14924, 15932, 18655, 19915, 23329, 29588, 36985, 37310, 39830, 46658, 51779, 73970, 74620, 79660, 93316, 103558, 116645, 147940, 163303, 207116, 233290, 258895, 303277, 326606, 466580, 517790, 606554, 653212, 816515, 1035580, 1213108, 1516385, 1633030, 2122939, 3032770, 3266060, 4245878, 6065540, 8491756, 10614695, 21229390, 42458780]

約数ペア:

[(1, 42458780), (2, 21229390), (4, 10614695), (5, 8491756), (7, 6065540), (10, 4245878), (13, 3266060), (14, 3032770), (20, 2122939), (26, 1633030), (28, 1516385), (35, 1213108), (41, 1035580), (52, 816515), (65, 653212), (70, 606554), (82, 517790), (91, 466580), (130, 326606), (140, 303277), (164, 258895), (182, 233290), (205, 207116), (260, 163303), (287, 147940), (364, 116645), (410, 103558), (455, 93316), (533, 79660), (569, 74620), (574, 73970), (820, 51779), (910, 46658), (1066, 39830), (1138, 37310), (1148, 36985), (1435, 29588), (1820, 23329), (2132, 19915), (2276, 18655), (2665, 15932), (2845, 14924), (2870, 14794), (3731, 11380), (3983, 10660), (5330, 7966), (5690, 7462), (5740, 7397)]