42390540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 134652672

約数和(自身を除く): 92262132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 191, 270, 274, 324, 382, 405, 411, 540, 548, 573, 685, 764, 810, 822, 955, 1146, 1233, 1370, 1620, 1644, 1719, 1910, 2055, 2292, 2466, 2740, 2865, 3438, 3699, 3820, 4110, 4932, 5157, 5730, 6165, 6876, 7398, 8220, 8595, 10314, 11097, 11460, 12330, 14796, 15471, 17190, 18495, 20628, 22194, 24660, 25785, 26167, 30942, 34380, 36990, 44388, 51570, 52334, 55485, 61884, 73980, 77355, 78501, 103140, 104668, 110970, 130835, 154710, 157002, 221940, 235503, 261670, 309420, 314004, 392505, 471006, 523340, 706509, 785010, 942012, 1177515, 1413018, 1570020, 2119527, 2355030, 2826036, 3532545, 4239054, 4710060, 7065090, 8478108, 10597635, 14130180, 21195270, 42390540]

約数ペア:

[(1, 42390540), (2, 21195270), (3, 14130180), (4, 10597635), (5, 8478108), (6, 7065090), (9, 4710060), (10, 4239054), (12, 3532545), (15, 2826036), (18, 2355030), (20, 2119527), (27, 1570020), (30, 1413018), (36, 1177515), (45, 942012), (54, 785010), (60, 706509), (81, 523340), (90, 471006), (108, 392505), (135, 314004), (137, 309420), (162, 261670), (180, 235503), (191, 221940), (270, 157002), (274, 154710), (324, 130835), (382, 110970), (405, 104668), (411, 103140), (540, 78501), (548, 77355), (573, 73980), (685, 61884), (764, 55485), (810, 52334), (822, 51570), (955, 44388), (1146, 36990), (1233, 34380), (1370, 30942), (1620, 26167), (1644, 25785), (1719, 24660), (1910, 22194), (2055, 20628), (2292, 18495), (2466, 17190), (2740, 15471), (2865, 14796), (3438, 12330), (3699, 11460), (3820, 11097), (4110, 10314), (4932, 8595), (5157, 8220), (5730, 7398), (6165, 6876)]