401350680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19559}}^1$

素因数の和:19598

約数の個数: 128

約数和(自身を含む): 1408320000

約数和(自身を除く): 1006969320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 19559, 20520, 39118, 58677, 78236, 97795, 117354, 156472, 176031, 195590, 234708, 293385, 352062, 371621, 391180, 469416, 528093, 586770, 704124, 743242, 782360, 880155, 1056186, 1114863, 1173540, 1408248, 1486484, 1760310, 1858105, 2112372, 2229726, 2347080, 2640465, 2972968, 3344589, 3520620, 3716210, 4224744, 4459452, 5280930, 5574315, 6689178, 7041240, 7432420, 8918904, 10033767, 10561860, 11148630, 13378356, 14864840, 16722945, 20067534, 21123720, 22297260, 26756712, 33445890, 40135068, 44594520, 50168835, 66891780, 80270136, 100337670, 133783560, 200675340, 401350680]

約数ペア:

[(1, 401350680), (2, 200675340), (3, 133783560), (4, 100337670), (5, 80270136), (6, 66891780), (8, 50168835), (9, 44594520), (10, 40135068), (12, 33445890), (15, 26756712), (18, 22297260), (19, 21123720), (20, 20067534), (24, 16722945), (27, 14864840), (30, 13378356), (36, 11148630), (38, 10561860), (40, 10033767), (45, 8918904), (54, 7432420), (57, 7041240), (60, 6689178), (72, 5574315), (76, 5280930), (90, 4459452), (95, 4224744), (108, 3716210), (114, 3520620), (120, 3344589), (135, 2972968), (152, 2640465), (171, 2347080), (180, 2229726), (190, 2112372), (216, 1858105), (228, 1760310), (270, 1486484), (285, 1408248), (342, 1173540), (360, 1114863), (380, 1056186), (456, 880155), (513, 782360), (540, 743242), (570, 704124), (684, 586770), (760, 528093), (855, 469416), (1026, 391180), (1080, 371621), (1140, 352062), (1368, 293385), (1710, 234708), (2052, 195590), (2280, 176031), (2565, 156472), (3420, 117354), (4104, 97795), (5130, 78236), (6840, 58677), (10260, 39118), (19559, 20520)]