64967280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38671}}^1$

素因数の和:38694

約数の個数: 80

約数和(自身を含む): 230175744

約数和(自身を除く): 165208464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38671, 77342, 116013, 154684, 193355, 232026, 270697, 309368, 386710, 464052, 541394, 580065, 618736, 773420, 812091, 928104, 1082788, 1160130, 1353485, 1546840, 1624182, 1856208, 2165576, 2320260, 2706970, 3093680, 3248364, 4060455, 4331152, 4640520, 5413940, 6496728, 8120910, 9281040, 10827880, 12993456, 16241820, 21655760, 32483640, 64967280]

約数ペア:

[(1, 64967280), (2, 32483640), (3, 21655760), (4, 16241820), (5, 12993456), (6, 10827880), (7, 9281040), (8, 8120910), (10, 6496728), (12, 5413940), (14, 4640520), (15, 4331152), (16, 4060455), (20, 3248364), (21, 3093680), (24, 2706970), (28, 2320260), (30, 2165576), (35, 1856208), (40, 1624182), (42, 1546840), (48, 1353485), (56, 1160130), (60, 1082788), (70, 928104), (80, 812091), (84, 773420), (105, 618736), (112, 580065), (120, 541394), (140, 464052), (168, 386710), (210, 309368), (240, 270697), (280, 232026), (336, 193355), (420, 154684), (560, 116013), (840, 77342), (1680, 38671)]