78102300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 227079216

約数和(自身を除く): 148976916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 257, 300, 514, 771, 1013, 1028, 1285, 1542, 2026, 2570, 3039, 3084, 3855, 4052, 5065, 5140, 6078, 6425, 7710, 10130, 12156, 12850, 15195, 15420, 19275, 20260, 25325, 25700, 30390, 38550, 50650, 60780, 75975, 77100, 101300, 151950, 260341, 303900, 520682, 781023, 1041364, 1301705, 1562046, 2603410, 3124092, 3905115, 5206820, 6508525, 7810230, 13017050, 15620460, 19525575, 26034100, 39051150, 78102300]

約数ペア:

[(1, 78102300), (2, 39051150), (3, 26034100), (4, 19525575), (5, 15620460), (6, 13017050), (10, 7810230), (12, 6508525), (15, 5206820), (20, 3905115), (25, 3124092), (30, 2603410), (50, 1562046), (60, 1301705), (75, 1041364), (100, 781023), (150, 520682), (257, 303900), (300, 260341), (514, 151950), (771, 101300), (1013, 77100), (1028, 75975), (1285, 60780), (1542, 50650), (2026, 38550), (2570, 30390), (3039, 25700), (3084, 25325), (3855, 20260), (4052, 19275), (5065, 15420), (5140, 15195), (6078, 12850), (6425, 12156), (7710, 10130)]