30471990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 78148800

約数和(自身を除く): 47676810

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 149, 170, 255, 298, 401, 447, 510, 745, 802, 894, 1203, 1490, 2005, 2235, 2406, 2533, 4010, 4470, 5066, 6015, 6817, 7599, 12030, 12665, 13634, 15198, 20451, 25330, 34085, 37995, 40902, 59749, 68170, 75990, 102255, 119498, 179247, 204510, 298745, 358494, 597490, 896235, 1015733, 1792470, 2031466, 3047199, 5078665, 6094398, 10157330, 15235995, 30471990]

約数ペア:

[(1, 30471990), (2, 15235995), (3, 10157330), (5, 6094398), (6, 5078665), (10, 3047199), (15, 2031466), (17, 1792470), (30, 1015733), (34, 896235), (51, 597490), (85, 358494), (102, 298745), (149, 204510), (170, 179247), (255, 119498), (298, 102255), (401, 75990), (447, 68170), (510, 59749), (745, 40902), (802, 37995), (894, 34085), (1203, 25330), (1490, 20451), (2005, 15198), (2235, 13634), (2406, 12665), (2533, 12030), (4010, 7599), (4470, 6817), (5066, 6015)]