2543126280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1215

約数の個数: 128

約数和(自身を含む): 7766150400

約数和(自身を除く): 5223024120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 421, 426, 568, 709, 710, 842, 852, 1065, 1263, 1418, 1420, 1684, 1704, 2105, 2127, 2130, 2526, 2836, 2840, 3368, 3545, 4210, 4254, 4260, 5052, 5672, 6315, 7090, 8420, 8508, 8520, 10104, 10635, 12630, 14180, 16840, 17016, 21270, 25260, 28360, 29891, 42540, 50339, 50520, 59782, 85080, 89673, 100678, 119564, 149455, 151017, 179346, 201356, 239128, 251695, 298489, 298910, 302034, 358692, 402712, 448365, 503390, 596978, 597820, 604068, 717384, 755085, 895467, 896730, 1006780, 1193956, 1195640, 1208136, 1492445, 1510170, 1790934, 1793460, 2013560, 2387912, 2984890, 3020340, 3581868, 3586920, 4477335, 5969780, 6040680, 7163736, 8954670, 11939560, 17909340, 21192719, 35818680, 42385438, 63578157, 84770876, 105963595, 127156314, 169541752, 211927190, 254312628, 317890785, 423854380, 508625256, 635781570, 847708760, 1271563140, 2543126280]

約数ペア:

[(1, 2543126280), (2, 1271563140), (3, 847708760), (4, 635781570), (5, 508625256), (6, 423854380), (8, 317890785), (10, 254312628), (12, 211927190), (15, 169541752), (20, 127156314), (24, 105963595), (30, 84770876), (40, 63578157), (60, 42385438), (71, 35818680), (120, 21192719), (142, 17909340), (213, 11939560), (284, 8954670), (355, 7163736), (421, 6040680), (426, 5969780), (568, 4477335), (709, 3586920), (710, 3581868), (842, 3020340), (852, 2984890), (1065, 2387912), (1263, 2013560), (1418, 1793460), (1420, 1790934), (1684, 1510170), (1704, 1492445), (2105, 1208136), (2127, 1195640), (2130, 1193956), (2526, 1006780), (2836, 896730), (2840, 895467), (3368, 755085), (3545, 717384), (4210, 604068), (4254, 597820), (4260, 596978), (5052, 503390), (5672, 448365), (6315, 402712), (7090, 358692), (8420, 302034), (8508, 298910), (8520, 298489), (10104, 251695), (10635, 239128), (12630, 201356), (14180, 179346), (16840, 151017), (17016, 149455), (21270, 119564), (25260, 100678), (28360, 89673), (29891, 85080), (42540, 59782), (50339, 50520)]