221436180

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 288

約数和(自身を含む): 833624064

約数和(自身を除く): 612187884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 243, 252, 270, 276, 283, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 486, 540, 566, 567, 621, 630, 644, 690, 756, 805, 810, 828, 849, 945, 966, 972, 1035, 1132, 1134, 1215, 1242, 1260, 1380, 1415, 1449, 1610, 1620, 1698, 1701, 1863, 1890, 1932, 1981, 2070, 2268, 2415, 2430, 2484, 2547, 2830, 2835, 2898, 3105, 3220, 3396, 3402, 3726, 3780, 3962, 4140, 4245, 4347, 4830, 4860, 5094, 5589, 5660, 5670, 5796, 5943, 6210, 6509, 6804, 7245, 7452, 7641, 7924, 8490, 8505, 8694, 9315, 9660, 9905, 10188, 11178, 11340, 11886, 12420, 12735, 13018, 13041, 14490, 15282, 16980, 17010, 17388, 17829, 18630, 19527, 19810, 21735, 22356, 22923, 23772, 25470, 26036, 26082, 27945, 28980, 29715, 30564, 32545, 34020, 35658, 37260, 38205, 39054, 39123, 39620, 43470, 45563, 45846, 50940, 52164, 53487, 55890, 58581, 59430, 65090, 65205, 68769, 71316, 76410, 78108, 78246, 86940, 89145, 91126, 91692, 97635, 106974, 111780, 114615, 117162, 118860, 130180, 130410, 136689, 137538, 152820, 156492, 160461, 175743, 178290, 182252, 195270, 195615, 213948, 227815, 229230, 234324, 260820, 267435, 273378, 275076, 292905, 320922, 343845, 351486, 356580, 390540, 391230, 410067, 455630, 458460, 481383, 527229, 534870, 546756, 585810, 641844, 683445, 687690, 702972, 782460, 802305, 820134, 878715, 911260, 962766, 1054458, 1069740, 1171620, 1230201, 1366890, 1375380, 1581687, 1604610, 1640268, 1757430, 1925532, 2050335, 2108916, 2406915, 2460402, 2636145, 2733780, 3163374, 3209220, 3514860, 3690603, 4100670, 4813830, 4920804, 5272290, 6151005, 6326748, 7381206, 7908435, 8201340, 9627660, 10544580, 11071809, 12302010, 14762412, 15816870, 18453015, 22143618, 24604020, 31633740, 36906030, 44287236, 55359045, 73812060, 110718090, 221436180]

約数ペア:

[(1, 221436180), (2, 110718090), (3, 73812060), (4, 55359045), (5, 44287236), (6, 36906030), (7, 31633740), (9, 24604020), (10, 22143618), (12, 18453015), (14, 15816870), (15, 14762412), (18, 12302010), (20, 11071809), (21, 10544580), (23, 9627660), (27, 8201340), (28, 7908435), (30, 7381206), (35, 6326748), (36, 6151005), (42, 5272290), (45, 4920804), (46, 4813830), (54, 4100670), (60, 3690603), (63, 3514860), (69, 3209220), (70, 3163374), (81, 2733780), (84, 2636145), (90, 2460402), (92, 2406915), (105, 2108916), (108, 2050335), (115, 1925532), (126, 1757430), (135, 1640268), (138, 1604610), (140, 1581687), (161, 1375380), (162, 1366890), (180, 1230201), (189, 1171620), (207, 1069740), (210, 1054458), (230, 962766), (243, 911260), (252, 878715), (270, 820134), (276, 802305), (283, 782460), (315, 702972), (322, 687690), (324, 683445), (345, 641844), (378, 585810), (405, 546756), (414, 534870), (420, 527229), (460, 481383), (483, 458460), (486, 455630), (540, 410067), (566, 391230), (567, 390540), (621, 356580), (630, 351486), (644, 343845), (690, 320922), (756, 292905), (805, 275076), (810, 273378), (828, 267435), (849, 260820), (945, 234324), (966, 229230), (972, 227815), (1035, 213948), (1132, 195615), (1134, 195270), (1215, 182252), (1242, 178290), (1260, 175743), (1380, 160461), (1415, 156492), (1449, 152820), (1610, 137538), (1620, 136689), (1698, 130410), (1701, 130180), (1863, 118860), (1890, 117162), (1932, 114615), (1981, 111780), (2070, 106974), (2268, 97635), (2415, 91692), (2430, 91126), (2484, 89145), (2547, 86940), (2830, 78246), (2835, 78108), (2898, 76410), (3105, 71316), (3220, 68769), (3396, 65205), (3402, 65090), (3726, 59430), (3780, 58581), (3962, 55890), (4140, 53487), (4245, 52164), (4347, 50940), (4830, 45846), (4860, 45563), (5094, 43470), (5589, 39620), (5660, 39123), (5670, 39054), (5796, 38205), (5943, 37260), (6210, 35658), (6509, 34020), (6804, 32545), (7245, 30564), (7452, 29715), (7641, 28980), (7924, 27945), (8490, 26082), (8505, 26036), (8694, 25470), (9315, 23772), (9660, 22923), (9905, 22356), (10188, 21735), (11178, 19810), (11340, 19527), (11886, 18630), (12420, 17829), (12735, 17388), (13018, 17010), (13041, 16980), (14490, 15282)]