221555880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6763}}^1$

素因数の和:6800

約数の個数: 192

約数和(自身を含む): 886354560

約数和(自身を除く): 664798680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 6763, 8190, 10920, 13526, 16380, 20289, 27052, 32760, 33815, 40578, 47341, 54104, 60867, 67630, 81156, 87919, 94682, 101445, 121734, 135260, 142023, 162312, 175838, 189364, 202890, 236705, 243468, 263757, 270520, 284046, 304335, 351676, 378728, 405780, 426069, 439595, 473410, 486936, 527514, 568092, 608670, 615433, 703352, 710115, 791271, 811560, 852138, 879190, 946820, 1055028, 1136184, 1217340, 1230866, 1318785, 1420230, 1582542, 1704276, 1758380, 1846299, 1893640, 2110056, 2130345, 2434680, 2461732, 2637570, 2840460, 3077165, 3165084, 3408552, 3516760, 3692598, 3956355, 4260690, 4923464, 5275140, 5538897, 5680920, 6154330, 6330168, 7385196, 7912710, 8521380, 9231495, 10550280, 11077794, 12308660, 14770392, 15825420, 17042760, 18462990, 22155588, 24617320, 27694485, 31650840, 36925980, 44311176, 55388970, 73851960, 110777940, 221555880]

約数ペア:

[(1, 221555880), (2, 110777940), (3, 73851960), (4, 55388970), (5, 44311176), (6, 36925980), (7, 31650840), (8, 27694485), (9, 24617320), (10, 22155588), (12, 18462990), (13, 17042760), (14, 15825420), (15, 14770392), (18, 12308660), (20, 11077794), (21, 10550280), (24, 9231495), (26, 8521380), (28, 7912710), (30, 7385196), (35, 6330168), (36, 6154330), (39, 5680920), (40, 5538897), (42, 5275140), (45, 4923464), (52, 4260690), (56, 3956355), (60, 3692598), (63, 3516760), (65, 3408552), (70, 3165084), (72, 3077165), (78, 2840460), (84, 2637570), (90, 2461732), (91, 2434680), (104, 2130345), (105, 2110056), (117, 1893640), (120, 1846299), (126, 1758380), (130, 1704276), (140, 1582542), (156, 1420230), (168, 1318785), (180, 1230866), (182, 1217340), (195, 1136184), (210, 1055028), (234, 946820), (252, 879190), (260, 852138), (273, 811560), (280, 791271), (312, 710115), (315, 703352), (360, 615433), (364, 608670), (390, 568092), (420, 527514), (455, 486936), (468, 473410), (504, 439595), (520, 426069), (546, 405780), (585, 378728), (630, 351676), (728, 304335), (780, 284046), (819, 270520), (840, 263757), (910, 243468), (936, 236705), (1092, 202890), (1170, 189364), (1260, 175838), (1365, 162312), (1560, 142023), (1638, 135260), (1820, 121734), (2184, 101445), (2340, 94682), (2520, 87919), (2730, 81156), (3276, 67630), (3640, 60867), (4095, 54104), (4680, 47341), (5460, 40578), (6552, 33815), (6763, 32760), (8190, 27052), (10920, 20289), (13526, 16380)]