19936680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 60428160

約数和(自身を除く): 40491480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1613, 2060, 2472, 3090, 3226, 4120, 4839, 6180, 6452, 8065, 9678, 12360, 12904, 16130, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 166139, 193560, 332278, 498417, 664556, 830695, 996834, 1329112, 1661390, 1993668, 2492085, 3322780, 3987336, 4984170, 6645560, 9968340, 19936680]

約数ペア:

[(1, 19936680), (2, 9968340), (3, 6645560), (4, 4984170), (5, 3987336), (6, 3322780), (8, 2492085), (10, 1993668), (12, 1661390), (15, 1329112), (20, 996834), (24, 830695), (30, 664556), (40, 498417), (60, 332278), (103, 193560), (120, 166139), (206, 96780), (309, 64520), (412, 48390), (515, 38712), (618, 32260), (824, 24195), (1030, 19356), (1236, 16130), (1545, 12904), (1613, 12360), (2060, 9678), (2472, 8065), (3090, 6452), (3226, 6180), (4120, 4839)]