681991920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4447}}^1$

素因数の和:4540

約数の個数: 160

約数和(自身を含む): 2382704640

約数和(自身を除く): 1700712720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1278, 1420, 1704, 1917, 2130, 2160, 2556, 2840, 3195, 3408, 3834, 4260, 4447, 5112, 5680, 6390, 7668, 8520, 8894, 9585, 10224, 12780, 13341, 15336, 17040, 17788, 19170, 22235, 25560, 26682, 30672, 35576, 38340, 40023, 44470, 51120, 53364, 66705, 71152, 76680, 80046, 88940, 106728, 120069, 133410, 153360, 160092, 177880, 200115, 213456, 240138, 266820, 315737, 320184, 355760, 400230, 480276, 533640, 600345, 631474, 640368, 800460, 947211, 960552, 1067280, 1200690, 1262948, 1578685, 1600920, 1894422, 1921104, 2401380, 2525896, 2841633, 3157370, 3201840, 3788844, 4736055, 4802760, 5051792, 5683266, 6314740, 7577688, 8524899, 9472110, 9605520, 11366532, 12629480, 14208165, 15155376, 17049798, 18944220, 22733064, 25258960, 28416330, 34099596, 37888440, 42624495, 45466128, 56832660, 68199192, 75776880, 85248990, 113665320, 136398384, 170497980, 227330640, 340995960, 681991920]

約数ペア:

[(1, 681991920), (2, 340995960), (3, 227330640), (4, 170497980), (5, 136398384), (6, 113665320), (8, 85248990), (9, 75776880), (10, 68199192), (12, 56832660), (15, 45466128), (16, 42624495), (18, 37888440), (20, 34099596), (24, 28416330), (27, 25258960), (30, 22733064), (36, 18944220), (40, 17049798), (45, 15155376), (48, 14208165), (54, 12629480), (60, 11366532), (71, 9605520), (72, 9472110), (80, 8524899), (90, 7577688), (108, 6314740), (120, 5683266), (135, 5051792), (142, 4802760), (144, 4736055), (180, 3788844), (213, 3201840), (216, 3157370), (240, 2841633), (270, 2525896), (284, 2401380), (355, 1921104), (360, 1894422), (426, 1600920), (432, 1578685), (540, 1262948), (568, 1200690), (639, 1067280), (710, 960552), (720, 947211), (852, 800460), (1065, 640368), (1080, 631474), (1136, 600345), (1278, 533640), (1420, 480276), (1704, 400230), (1917, 355760), (2130, 320184), (2160, 315737), (2556, 266820), (2840, 240138), (3195, 213456), (3408, 200115), (3834, 177880), (4260, 160092), (4447, 153360), (5112, 133410), (5680, 120069), (6390, 106728), (7668, 88940), (8520, 80046), (8894, 76680), (9585, 71152), (10224, 66705), (12780, 53364), (13341, 51120), (15336, 44470), (17040, 40023), (17788, 38340), (19170, 35576), (22235, 30672), (25560, 26682)]