205286640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3463}}^1$

素因数の和:3511

約数の個数: 160

約数和(自身を含む): 721620480

約数和(自身を除く): 516333840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3463, 3705, 3952, 4560, 4940, 5928, 6926, 7410, 9880, 10389, 11856, 13852, 14820, 17315, 19760, 20778, 27704, 29640, 34630, 41556, 45019, 51945, 55408, 59280, 65797, 69260, 83112, 90038, 103890, 131594, 135057, 138520, 166224, 180076, 197391, 207780, 225095, 263188, 270114, 277040, 328985, 360152, 394782, 415560, 450190, 526376, 540228, 657970, 675285, 720304, 789564, 831120, 855361, 900380, 986955, 1052752, 1080456, 1315940, 1350570, 1579128, 1710722, 1800760, 1973910, 2160912, 2566083, 2631880, 2701140, 3158256, 3421444, 3601520, 3947820, 4276805, 5132166, 5263760, 5402280, 6842888, 7895640, 8553610, 10264332, 10804560, 12830415, 13685776, 15791280, 17107220, 20528664, 25660830, 34214440, 41057328, 51321660, 68428880, 102643320, 205286640]

約数ペア:

[(1, 205286640), (2, 102643320), (3, 68428880), (4, 51321660), (5, 41057328), (6, 34214440), (8, 25660830), (10, 20528664), (12, 17107220), (13, 15791280), (15, 13685776), (16, 12830415), (19, 10804560), (20, 10264332), (24, 8553610), (26, 7895640), (30, 6842888), (38, 5402280), (39, 5263760), (40, 5132166), (48, 4276805), (52, 3947820), (57, 3601520), (60, 3421444), (65, 3158256), (76, 2701140), (78, 2631880), (80, 2566083), (95, 2160912), (104, 1973910), (114, 1800760), (120, 1710722), (130, 1579128), (152, 1350570), (156, 1315940), (190, 1080456), (195, 1052752), (208, 986955), (228, 900380), (240, 855361), (247, 831120), (260, 789564), (285, 720304), (304, 675285), (312, 657970), (380, 540228), (390, 526376), (456, 450190), (494, 415560), (520, 394782), (570, 360152), (624, 328985), (741, 277040), (760, 270114), (780, 263188), (912, 225095), (988, 207780), (1040, 197391), (1140, 180076), (1235, 166224), (1482, 138520), (1520, 135057), (1560, 131594), (1976, 103890), (2280, 90038), (2470, 83112), (2964, 69260), (3120, 65797), (3463, 59280), (3705, 55408), (3952, 51945), (4560, 45019), (4940, 41556), (5928, 34630), (6926, 29640), (7410, 27704), (9880, 20778), (10389, 19760), (11856, 17315), (13852, 14820)]