280271880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:441

約数の個数: 256

約数和(自身を含む): 1079654400

約数和(自身を除く): 799382520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 131, 135, 140, 168, 180, 189, 210, 216, 252, 262, 270, 280, 283, 315, 360, 378, 393, 420, 504, 524, 540, 566, 630, 655, 756, 786, 840, 849, 917, 945, 1048, 1080, 1132, 1179, 1260, 1310, 1415, 1512, 1572, 1698, 1834, 1890, 1965, 1981, 2264, 2358, 2520, 2547, 2620, 2751, 2830, 3144, 3396, 3537, 3668, 3780, 3930, 3962, 4245, 4585, 4716, 5094, 5240, 5502, 5660, 5895, 5943, 6792, 7074, 7336, 7560, 7641, 7860, 7924, 8253, 8490, 9170, 9432, 9905, 10188, 11004, 11320, 11790, 11886, 12735, 13755, 14148, 15282, 15720, 15848, 16506, 16980, 17685, 17829, 18340, 19810, 20376, 22008, 23580, 23772, 24759, 25470, 27510, 28296, 29715, 30564, 33012, 33960, 35370, 35658, 36680, 37073, 38205, 39620, 41265, 47160, 47544, 49518, 50940, 53487, 55020, 59430, 61128, 66024, 70740, 71316, 74146, 76410, 79240, 82530, 89145, 99036, 101880, 106974, 110040, 111219, 118860, 123795, 141480, 142632, 148292, 152820, 165060, 178290, 185365, 198072, 213948, 222438, 237720, 247590, 259511, 267435, 296584, 305640, 330120, 333657, 356580, 370730, 427896, 444876, 495180, 519022, 534870, 556095, 667314, 713160, 741460, 778533, 889752, 990360, 1000971, 1038044, 1069740, 1112190, 1297555, 1334628, 1482920, 1557066, 1668285, 2001942, 2076088, 2139480, 2224380, 2335599, 2595110, 2669256, 3114132, 3336570, 3892665, 4003884, 4448760, 4671198, 5004855, 5190220, 6228264, 6673140, 7006797, 7785330, 8007768, 9342396, 10009710, 10380440, 11677995, 13346280, 14013594, 15570660, 18684792, 20019420, 23355990, 28027188, 31141320, 35033985, 40038840, 46711980, 56054376, 70067970, 93423960, 140135940, 280271880]

約数ペア:

[(1, 280271880), (2, 140135940), (3, 93423960), (4, 70067970), (5, 56054376), (6, 46711980), (7, 40038840), (8, 35033985), (9, 31141320), (10, 28027188), (12, 23355990), (14, 20019420), (15, 18684792), (18, 15570660), (20, 14013594), (21, 13346280), (24, 11677995), (27, 10380440), (28, 10009710), (30, 9342396), (35, 8007768), (36, 7785330), (40, 7006797), (42, 6673140), (45, 6228264), (54, 5190220), (56, 5004855), (60, 4671198), (63, 4448760), (70, 4003884), (72, 3892665), (84, 3336570), (90, 3114132), (105, 2669256), (108, 2595110), (120, 2335599), (126, 2224380), (131, 2139480), (135, 2076088), (140, 2001942), (168, 1668285), (180, 1557066), (189, 1482920), (210, 1334628), (216, 1297555), (252, 1112190), (262, 1069740), (270, 1038044), (280, 1000971), (283, 990360), (315, 889752), (360, 778533), (378, 741460), (393, 713160), (420, 667314), (504, 556095), (524, 534870), (540, 519022), (566, 495180), (630, 444876), (655, 427896), (756, 370730), (786, 356580), (840, 333657), (849, 330120), (917, 305640), (945, 296584), (1048, 267435), (1080, 259511), (1132, 247590), (1179, 237720), (1260, 222438), (1310, 213948), (1415, 198072), (1512, 185365), (1572, 178290), (1698, 165060), (1834, 152820), (1890, 148292), (1965, 142632), (1981, 141480), (2264, 123795), (2358, 118860), (2520, 111219), (2547, 110040), (2620, 106974), (2751, 101880), (2830, 99036), (3144, 89145), (3396, 82530), (3537, 79240), (3668, 76410), (3780, 74146), (3930, 71316), (3962, 70740), (4245, 66024), (4585, 61128), (4716, 59430), (5094, 55020), (5240, 53487), (5502, 50940), (5660, 49518), (5895, 47544), (5943, 47160), (6792, 41265), (7074, 39620), (7336, 38205), (7560, 37073), (7641, 36680), (7860, 35658), (7924, 35370), (8253, 33960), (8490, 33012), (9170, 30564), (9432, 29715), (9905, 28296), (10188, 27510), (11004, 25470), (11320, 24759), (11790, 23772), (11886, 23580), (12735, 22008), (13755, 20376), (14148, 19810), (15282, 18340), (15720, 17829), (15848, 17685), (16506, 16980)]