255447780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 288

約数和(自身を含む): 930787200

約数和(自身を除く): 675339420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 49, 51, 57, 60, 68, 70, 76, 84, 85, 95, 98, 102, 105, 114, 119, 133, 140, 147, 170, 190, 196, 204, 210, 228, 238, 245, 255, 266, 269, 285, 294, 323, 340, 357, 380, 399, 420, 476, 490, 510, 532, 538, 570, 588, 595, 646, 665, 714, 735, 798, 807, 833, 931, 969, 980, 1020, 1076, 1140, 1190, 1292, 1330, 1345, 1428, 1470, 1596, 1614, 1615, 1666, 1785, 1862, 1883, 1938, 1995, 2261, 2380, 2499, 2660, 2690, 2793, 2940, 3228, 3230, 3332, 3570, 3724, 3766, 3876, 3990, 4035, 4165, 4522, 4573, 4655, 4845, 4998, 5111, 5380, 5586, 5649, 6460, 6783, 7140, 7532, 7980, 8070, 8330, 9044, 9146, 9310, 9415, 9690, 9996, 10222, 11172, 11298, 11305, 12495, 13181, 13566, 13719, 13965, 15333, 15827, 16140, 16660, 18292, 18620, 18830, 19380, 20444, 22596, 22610, 22865, 24990, 25555, 26362, 27132, 27438, 27930, 28245, 30666, 31654, 32011, 33915, 35777, 37660, 39543, 45220, 45730, 47481, 49980, 51110, 52724, 54876, 55860, 56490, 61332, 63308, 64022, 65905, 67830, 68595, 71554, 76665, 79086, 79135, 86887, 91460, 94962, 96033, 102220, 107331, 112980, 128044, 131810, 135660, 137190, 143108, 153330, 158172, 158270, 160055, 173774, 178885, 189924, 192066, 197715, 214662, 224077, 237405, 250439, 260661, 263620, 274380, 306660, 316540, 320110, 347548, 357770, 384132, 395430, 429324, 434435, 448154, 474810, 480165, 500878, 521322, 536655, 608209, 640220, 672231, 715540, 751317, 790860, 868870, 896308, 949620, 960330, 1001756, 1042644, 1073310, 1120385, 1216418, 1252195, 1303305, 1344462, 1502634, 1737740, 1824627, 1920660, 2146620, 2240770, 2432836, 2504390, 2606610, 2688924, 3005268, 3041045, 3361155, 3649254, 3756585, 4257463, 4481540, 5008780, 5213220, 6082090, 6722310, 7298508, 7513170, 8514926, 9123135, 12164180, 12772389, 13444620, 15026340, 17029852, 18246270, 21287315, 25544778, 36492540, 42574630, 51089556, 63861945, 85149260, 127723890, 255447780]

約数ペア:

[(1, 255447780), (2, 127723890), (3, 85149260), (4, 63861945), (5, 51089556), (6, 42574630), (7, 36492540), (10, 25544778), (12, 21287315), (14, 18246270), (15, 17029852), (17, 15026340), (19, 13444620), (20, 12772389), (21, 12164180), (28, 9123135), (30, 8514926), (34, 7513170), (35, 7298508), (38, 6722310), (42, 6082090), (49, 5213220), (51, 5008780), (57, 4481540), (60, 4257463), (68, 3756585), (70, 3649254), (76, 3361155), (84, 3041045), (85, 3005268), (95, 2688924), (98, 2606610), (102, 2504390), (105, 2432836), (114, 2240770), (119, 2146620), (133, 1920660), (140, 1824627), (147, 1737740), (170, 1502634), (190, 1344462), (196, 1303305), (204, 1252195), (210, 1216418), (228, 1120385), (238, 1073310), (245, 1042644), (255, 1001756), (266, 960330), (269, 949620), (285, 896308), (294, 868870), (323, 790860), (340, 751317), (357, 715540), (380, 672231), (399, 640220), (420, 608209), (476, 536655), (490, 521322), (510, 500878), (532, 480165), (538, 474810), (570, 448154), (588, 434435), (595, 429324), (646, 395430), (665, 384132), (714, 357770), (735, 347548), (798, 320110), (807, 316540), (833, 306660), (931, 274380), (969, 263620), (980, 260661), (1020, 250439), (1076, 237405), (1140, 224077), (1190, 214662), (1292, 197715), (1330, 192066), (1345, 189924), (1428, 178885), (1470, 173774), (1596, 160055), (1614, 158270), (1615, 158172), (1666, 153330), (1785, 143108), (1862, 137190), (1883, 135660), (1938, 131810), (1995, 128044), (2261, 112980), (2380, 107331), (2499, 102220), (2660, 96033), (2690, 94962), (2793, 91460), (2940, 86887), (3228, 79135), (3230, 79086), (3332, 76665), (3570, 71554), (3724, 68595), (3766, 67830), (3876, 65905), (3990, 64022), (4035, 63308), (4165, 61332), (4522, 56490), (4573, 55860), (4655, 54876), (4845, 52724), (4998, 51110), (5111, 49980), (5380, 47481), (5586, 45730), (5649, 45220), (6460, 39543), (6783, 37660), (7140, 35777), (7532, 33915), (7980, 32011), (8070, 31654), (8330, 30666), (9044, 28245), (9146, 27930), (9310, 27438), (9415, 27132), (9690, 26362), (9996, 25555), (10222, 24990), (11172, 22865), (11298, 22610), (11305, 22596), (12495, 20444), (13181, 19380), (13566, 18830), (13719, 18620), (13965, 18292), (15333, 16660), (15827, 16140)]