1280810700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109471}}^1$

素因数の和:109504

約数の個数: 108

約数和(自身を含む): 4323487168

約数和(自身を除く): 3042676468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1950, 2340, 2925, 3900, 5850, 11700, 109471, 218942, 328413, 437884, 547355, 656826, 985239, 1094710, 1313652, 1423123, 1642065, 1970478, 2189420, 2736775, 2846246, 3284130, 3940956, 4269369, 4926195, 5473550, 5692492, 6568260, 7115615, 8210325, 8538738, 9852390, 10947100, 12808107, 14231230, 16420650, 17077476, 19704780, 21346845, 24630975, 25616214, 28462460, 32841300, 35578075, 42693690, 49261950, 51232428, 64040535, 71156150, 85387380, 98523900, 106734225, 128081070, 142312300, 213468450, 256162140, 320202675, 426936900, 640405350, 1280810700]

約数ペア:

[(1, 1280810700), (2, 640405350), (3, 426936900), (4, 320202675), (5, 256162140), (6, 213468450), (9, 142312300), (10, 128081070), (12, 106734225), (13, 98523900), (15, 85387380), (18, 71156150), (20, 64040535), (25, 51232428), (26, 49261950), (30, 42693690), (36, 35578075), (39, 32841300), (45, 28462460), (50, 25616214), (52, 24630975), (60, 21346845), (65, 19704780), (75, 17077476), (78, 16420650), (90, 14231230), (100, 12808107), (117, 10947100), (130, 9852390), (150, 8538738), (156, 8210325), (180, 7115615), (195, 6568260), (225, 5692492), (234, 5473550), (260, 4926195), (300, 4269369), (325, 3940956), (390, 3284130), (450, 2846246), (468, 2736775), (585, 2189420), (650, 1970478), (780, 1642065), (900, 1423123), (975, 1313652), (1170, 1094710), (1300, 985239), (1950, 656826), (2340, 547355), (2925, 437884), (3900, 328413), (5850, 218942), (11700, 109471)]