280764900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 288

約数和(自身を含む): 1025628800

約数和(自身を除く): 744863900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 36, 38, 39, 45, 50, 52, 54, 57, 60, 65, 75, 76, 78, 90, 95, 100, 108, 114, 117, 130, 135, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 260, 270, 285, 300, 325, 342, 351, 380, 390, 421, 450, 468, 475, 494, 513, 540, 570, 585, 650, 675, 684, 702, 741, 780, 842, 855, 900, 950, 975, 988, 1026, 1140, 1170, 1235, 1263, 1300, 1350, 1404, 1425, 1482, 1684, 1710, 1755, 1900, 1950, 2052, 2105, 2223, 2340, 2470, 2526, 2565, 2700, 2850, 2925, 2964, 3420, 3510, 3705, 3789, 3900, 4210, 4275, 4446, 4940, 5052, 5130, 5473, 5700, 5850, 6175, 6315, 6669, 7020, 7410, 7578, 7999, 8420, 8550, 8775, 8892, 10260, 10525, 10946, 11115, 11367, 11700, 12350, 12630, 12825, 13338, 14820, 15156, 15998, 16419, 17100, 17550, 18525, 18945, 21050, 21892, 22230, 22734, 23997, 24700, 25260, 25650, 26676, 27365, 31575, 31996, 32838, 33345, 35100, 37050, 37890, 39995, 42100, 44460, 45468, 47994, 49257, 51300, 54730, 55575, 56835, 63150, 65676, 66690, 71991, 74100, 75780, 79990, 82095, 94725, 95988, 98514, 103987, 109460, 111150, 113670, 119985, 126300, 133380, 136825, 143982, 147771, 159980, 164190, 166725, 189450, 197028, 199975, 207974, 215973, 222300, 227340, 239970, 246285, 273650, 284175, 287964, 295542, 311961, 328380, 333450, 359955, 378900, 399950, 410475, 415948, 431946, 479940, 492570, 519935, 547300, 568350, 591084, 599925, 623922, 666900, 719910, 738855, 799900, 820950, 863892, 935883, 985140, 1039870, 1079865, 1136700, 1199850, 1231425, 1247844, 1439820, 1477710, 1559805, 1641900, 1799775, 1871766, 2079740, 2159730, 2399700, 2462850, 2599675, 2807649, 2955420, 3119610, 3599550, 3694275, 3743532, 4319460, 4679415, 4925700, 5199350, 5399325, 5615298, 6239220, 7199100, 7388550, 7799025, 9358830, 10398700, 10798650, 11230596, 14038245, 14777100, 15598050, 18717660, 21597300, 23397075, 28076490, 31196100, 46794150, 56152980, 70191225, 93588300, 140382450, 280764900]

約数ペア:

[(1, 280764900), (2, 140382450), (3, 93588300), (4, 70191225), (5, 56152980), (6, 46794150), (9, 31196100), (10, 28076490), (12, 23397075), (13, 21597300), (15, 18717660), (18, 15598050), (19, 14777100), (20, 14038245), (25, 11230596), (26, 10798650), (27, 10398700), (30, 9358830), (36, 7799025), (38, 7388550), (39, 7199100), (45, 6239220), (50, 5615298), (52, 5399325), (54, 5199350), (57, 4925700), (60, 4679415), (65, 4319460), (75, 3743532), (76, 3694275), (78, 3599550), (90, 3119610), (95, 2955420), (100, 2807649), (108, 2599675), (114, 2462850), (117, 2399700), (130, 2159730), (135, 2079740), (150, 1871766), (156, 1799775), (171, 1641900), (180, 1559805), (190, 1477710), (195, 1439820), (225, 1247844), (228, 1231425), (234, 1199850), (247, 1136700), (260, 1079865), (270, 1039870), (285, 985140), (300, 935883), (325, 863892), (342, 820950), (351, 799900), (380, 738855), (390, 719910), (421, 666900), (450, 623922), (468, 599925), (475, 591084), (494, 568350), (513, 547300), (540, 519935), (570, 492570), (585, 479940), (650, 431946), (675, 415948), (684, 410475), (702, 399950), (741, 378900), (780, 359955), (842, 333450), (855, 328380), (900, 311961), (950, 295542), (975, 287964), (988, 284175), (1026, 273650), (1140, 246285), (1170, 239970), (1235, 227340), (1263, 222300), (1300, 215973), (1350, 207974), (1404, 199975), (1425, 197028), (1482, 189450), (1684, 166725), (1710, 164190), (1755, 159980), (1900, 147771), (1950, 143982), (2052, 136825), (2105, 133380), (2223, 126300), (2340, 119985), (2470, 113670), (2526, 111150), (2565, 109460), (2700, 103987), (2850, 98514), (2925, 95988), (2964, 94725), (3420, 82095), (3510, 79990), (3705, 75780), (3789, 74100), (3900, 71991), (4210, 66690), (4275, 65676), (4446, 63150), (4940, 56835), (5052, 55575), (5130, 54730), (5473, 51300), (5700, 49257), (5850, 47994), (6175, 45468), (6315, 44460), (6669, 42100), (7020, 39995), (7410, 37890), (7578, 37050), (7999, 35100), (8420, 33345), (8550, 32838), (8775, 31996), (8892, 31575), (10260, 27365), (10525, 26676), (10946, 25650), (11115, 25260), (11367, 24700), (11700, 23997), (12350, 22734), (12630, 22230), (12825, 21892), (13338, 21050), (14820, 18945), (15156, 18525), (15998, 17550), (16419, 17100)]