30987486

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 72

約数和(自身を含む): 73373040

約数和(自身を除く): 42385554

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 89, 138, 174, 178, 207, 261, 267, 414, 522, 534, 667, 801, 841, 1334, 1602, 1682, 2001, 2047, 2523, 2581, 4002, 4094, 5046, 5162, 6003, 6141, 7569, 7743, 12006, 12282, 15138, 15486, 18423, 19343, 23229, 36846, 38686, 46458, 58029, 59363, 74849, 116058, 118726, 149698, 174087, 178089, 224547, 348174, 356178, 449094, 534267, 673641, 1068534, 1347282, 1721527, 3443054, 5164581, 10329162, 15493743, 30987486]

約数ペア:

[(1, 30987486), (2, 15493743), (3, 10329162), (6, 5164581), (9, 3443054), (18, 1721527), (23, 1347282), (29, 1068534), (46, 673641), (58, 534267), (69, 449094), (87, 356178), (89, 348174), (138, 224547), (174, 178089), (178, 174087), (207, 149698), (261, 118726), (267, 116058), (414, 74849), (522, 59363), (534, 58029), (667, 46458), (801, 38686), (841, 36846), (1334, 23229), (1602, 19343), (1682, 18423), (2001, 15486), (2047, 15138), (2523, 12282), (2581, 12006), (4002, 7743), (4094, 7569), (5046, 6141), (5162, 6003)]