78840450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13477}}^1$

素因数の和:13508

約数の個数: 72

約数和(自身を含む): 228128628

約数和(自身を除く): 149288178

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 13477, 26954, 40431, 67385, 80862, 121293, 134770, 175201, 202155, 242586, 336925, 350402, 404310, 525603, 606465, 673850, 876005, 1010775, 1051206, 1212930, 1576809, 1752010, 2021550, 2628015, 3032325, 3153618, 4380025, 5256030, 6064650, 7884045, 8760050, 13140075, 15768090, 26280150, 39420225, 78840450]

約数ペア:

[(1, 78840450), (2, 39420225), (3, 26280150), (5, 15768090), (6, 13140075), (9, 8760050), (10, 7884045), (13, 6064650), (15, 5256030), (18, 4380025), (25, 3153618), (26, 3032325), (30, 2628015), (39, 2021550), (45, 1752010), (50, 1576809), (65, 1212930), (75, 1051206), (78, 1010775), (90, 876005), (117, 673850), (130, 606465), (150, 525603), (195, 404310), (225, 350402), (234, 336925), (325, 242586), (390, 202155), (450, 175201), (585, 134770), (650, 121293), (975, 80862), (1170, 67385), (1950, 40431), (2925, 26954), (5850, 13477)]