820875240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{120011}}^1$

素因数の和:120047

約数の個数: 96

約数和(自身を含む): 2808280800

約数和(自身を除く): 1987405560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 120011, 240022, 360033, 480044, 600055, 720066, 960088, 1080099, 1200110, 1440132, 1800165, 2160198, 2280209, 2400220, 2880264, 3600330, 4320396, 4560418, 4800440, 5400495, 6840627, 7200660, 8640792, 9120836, 10800990, 11401045, 13681254, 14401320, 18241672, 20521881, 21601980, 22802090, 27362508, 34203135, 41043762, 43203960, 45604180, 54725016, 68406270, 82087524, 91208360, 102609405, 136812540, 164175048, 205218810, 273625080, 410437620, 820875240]

約数ペア:

[(1, 820875240), (2, 410437620), (3, 273625080), (4, 205218810), (5, 164175048), (6, 136812540), (8, 102609405), (9, 91208360), (10, 82087524), (12, 68406270), (15, 54725016), (18, 45604180), (19, 43203960), (20, 41043762), (24, 34203135), (30, 27362508), (36, 22802090), (38, 21601980), (40, 20521881), (45, 18241672), (57, 14401320), (60, 13681254), (72, 11401045), (76, 10800990), (90, 9120836), (95, 8640792), (114, 7200660), (120, 6840627), (152, 5400495), (171, 4800440), (180, 4560418), (190, 4320396), (228, 3600330), (285, 2880264), (342, 2400220), (360, 2280209), (380, 2160198), (456, 1800165), (570, 1440132), (684, 1200110), (760, 1080099), (855, 960088), (1140, 720066), (1368, 600055), (1710, 480044), (2280, 360033), (3420, 240022), (6840, 120011)]