30987090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 90097920

約数和(自身を除く): 59110830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 43, 45, 51, 54, 85, 86, 90, 102, 129, 135, 153, 157, 170, 215, 255, 258, 270, 306, 314, 387, 430, 459, 471, 510, 645, 731, 765, 774, 785, 918, 942, 1161, 1290, 1413, 1462, 1530, 1570, 1935, 2193, 2295, 2322, 2355, 2669, 2826, 3655, 3870, 4239, 4386, 4590, 4710, 5338, 5805, 6579, 6751, 7065, 7310, 8007, 8478, 10965, 11610, 13158, 13345, 13502, 14130, 16014, 19737, 20253, 21195, 21930, 24021, 26690, 32895, 33755, 39474, 40035, 40506, 42390, 48042, 60759, 65790, 67510, 72063, 80070, 98685, 101265, 114767, 120105, 121518, 144126, 182277, 197370, 202530, 229534, 240210, 303795, 344301, 360315, 364554, 573835, 607590, 688602, 720630, 911385, 1032903, 1147670, 1721505, 1822770, 2065806, 3098709, 3443010, 5164515, 6197418, 10329030, 15493545, 30987090]

約数ペア:

[(1, 30987090), (2, 15493545), (3, 10329030), (5, 6197418), (6, 5164515), (9, 3443010), (10, 3098709), (15, 2065806), (17, 1822770), (18, 1721505), (27, 1147670), (30, 1032903), (34, 911385), (43, 720630), (45, 688602), (51, 607590), (54, 573835), (85, 364554), (86, 360315), (90, 344301), (102, 303795), (129, 240210), (135, 229534), (153, 202530), (157, 197370), (170, 182277), (215, 144126), (255, 121518), (258, 120105), (270, 114767), (306, 101265), (314, 98685), (387, 80070), (430, 72063), (459, 67510), (471, 65790), (510, 60759), (645, 48042), (731, 42390), (765, 40506), (774, 40035), (785, 39474), (918, 33755), (942, 32895), (1161, 26690), (1290, 24021), (1413, 21930), (1462, 21195), (1530, 20253), (1570, 19737), (1935, 16014), (2193, 14130), (2295, 13502), (2322, 13345), (2355, 13158), (2669, 11610), (2826, 10965), (3655, 8478), (3870, 8007), (4239, 7310), (4386, 7065), (4590, 6751), (4710, 6579), (5338, 5805)]