780636220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1229}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 2025072000

約数和(自身を除く): 1244435780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 349, 364, 455, 698, 910, 1229, 1396, 1745, 1820, 2443, 2458, 3490, 4537, 4886, 4916, 6145, 6980, 8603, 9074, 9772, 12215, 12290, 15977, 17206, 18148, 22685, 24430, 24580, 31759, 31954, 34412, 43015, 45370, 48860, 63518, 63908, 79885, 86030, 90740, 111839, 127036, 158795, 159770, 172060, 223678, 317590, 319540, 428921, 447356, 559195, 635180, 857842, 1118390, 1715684, 2144605, 2236780, 3002447, 4289210, 5575973, 6004894, 8578420, 11151946, 12009788, 15012235, 22303892, 27879865, 30024470, 39031811, 55759730, 60048940, 78063622, 111519460, 156127244, 195159055, 390318110, 780636220]

約数ペア:

[(1, 780636220), (2, 390318110), (4, 195159055), (5, 156127244), (7, 111519460), (10, 78063622), (13, 60048940), (14, 55759730), (20, 39031811), (26, 30024470), (28, 27879865), (35, 22303892), (52, 15012235), (65, 12009788), (70, 11151946), (91, 8578420), (130, 6004894), (140, 5575973), (182, 4289210), (260, 3002447), (349, 2236780), (364, 2144605), (455, 1715684), (698, 1118390), (910, 857842), (1229, 635180), (1396, 559195), (1745, 447356), (1820, 428921), (2443, 319540), (2458, 317590), (3490, 223678), (4537, 172060), (4886, 159770), (4916, 158795), (6145, 127036), (6980, 111839), (8603, 90740), (9074, 86030), (9772, 79885), (12215, 63908), (12290, 63518), (15977, 48860), (17206, 45370), (18148, 43015), (22685, 34412), (24430, 31954), (24580, 31759)]