9906780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 30067632

約数和(自身を除く): 20160852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 977, 1014, 1690, 1954, 2028, 2535, 2931, 3380, 3908, 4885, 5070, 5862, 9770, 10140, 11724, 12701, 14655, 19540, 25402, 29310, 38103, 50804, 58620, 63505, 76206, 127010, 152412, 165113, 190515, 254020, 330226, 381030, 495339, 660452, 762060, 825565, 990678, 1651130, 1981356, 2476695, 3302260, 4953390, 9906780]

約数ペア:

[(1, 9906780), (2, 4953390), (3, 3302260), (4, 2476695), (5, 1981356), (6, 1651130), (10, 990678), (12, 825565), (13, 762060), (15, 660452), (20, 495339), (26, 381030), (30, 330226), (39, 254020), (52, 190515), (60, 165113), (65, 152412), (78, 127010), (130, 76206), (156, 63505), (169, 58620), (195, 50804), (260, 38103), (338, 29310), (390, 25402), (507, 19540), (676, 14655), (780, 12701), (845, 11724), (977, 10140), (1014, 9770), (1690, 5862), (1954, 5070), (2028, 4885), (2535, 3908), (2931, 3380)]