245519820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1153}}^1$

素因数の和:1201

約数の個数: 216

約数和(自身を含む): 922442976

約数和(自身を除く): 676923156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1153, 1170, 1183, 1260, 1365, 1521, 1638, 1690, 1820, 2028, 2306, 2340, 2366, 2535, 2730, 3042, 3276, 3380, 3459, 3549, 4095, 4612, 4732, 5070, 5460, 5765, 5915, 6084, 6918, 7098, 7605, 8071, 8190, 10140, 10377, 10647, 11530, 11830, 13836, 14196, 14989, 15210, 16142, 16380, 17295, 17745, 20754, 21294, 23060, 23660, 24213, 29978, 30420, 32284, 34590, 35490, 40355, 41508, 42588, 44967, 48426, 51885, 53235, 59956, 69180, 70980, 72639, 74945, 80710, 89934, 96852, 103770, 104923, 106470, 121065, 134901, 145278, 149890, 161420, 179868, 194857, 207540, 209846, 212940, 224835, 242130, 269802, 290556, 299780, 314769, 363195, 389714, 419692, 449670, 484260, 524615, 539604, 584571, 629538, 674505, 726390, 779428, 899340, 944307, 974285, 1049230, 1169142, 1259076, 1349010, 1363999, 1452780, 1573845, 1753713, 1888614, 1948570, 2098460, 2338284, 2698020, 2727998, 2922855, 3147690, 3507426, 3777228, 3897140, 4091997, 4721535, 5455996, 5845710, 6295380, 6819995, 7014852, 8183994, 8768565, 9443070, 11691420, 12275991, 13639990, 16367988, 17537130, 18886140, 20459985, 24551982, 27279980, 35074260, 40919970, 49103964, 61379955, 81839940, 122759910, 245519820]

約数ペア:

[(1, 245519820), (2, 122759910), (3, 81839940), (4, 61379955), (5, 49103964), (6, 40919970), (7, 35074260), (9, 27279980), (10, 24551982), (12, 20459985), (13, 18886140), (14, 17537130), (15, 16367988), (18, 13639990), (20, 12275991), (21, 11691420), (26, 9443070), (28, 8768565), (30, 8183994), (35, 7014852), (36, 6819995), (39, 6295380), (42, 5845710), (45, 5455996), (52, 4721535), (60, 4091997), (63, 3897140), (65, 3777228), (70, 3507426), (78, 3147690), (84, 2922855), (90, 2727998), (91, 2698020), (105, 2338284), (117, 2098460), (126, 1948570), (130, 1888614), (140, 1753713), (156, 1573845), (169, 1452780), (180, 1363999), (182, 1349010), (195, 1259076), (210, 1169142), (234, 1049230), (252, 974285), (260, 944307), (273, 899340), (315, 779428), (338, 726390), (364, 674505), (390, 629538), (420, 584571), (455, 539604), (468, 524615), (507, 484260), (546, 449670), (585, 419692), (630, 389714), (676, 363195), (780, 314769), (819, 299780), (845, 290556), (910, 269802), (1014, 242130), (1092, 224835), (1153, 212940), (1170, 209846), (1183, 207540), (1260, 194857), (1365, 179868), (1521, 161420), (1638, 149890), (1690, 145278), (1820, 134901), (2028, 121065), (2306, 106470), (2340, 104923), (2366, 103770), (2535, 96852), (2730, 89934), (3042, 80710), (3276, 74945), (3380, 72639), (3459, 70980), (3549, 69180), (4095, 59956), (4612, 53235), (4732, 51885), (5070, 48426), (5460, 44967), (5765, 42588), (5915, 41508), (6084, 40355), (6918, 35490), (7098, 34590), (7605, 32284), (8071, 30420), (8190, 29978), (10140, 24213), (10377, 23660), (10647, 23060), (11530, 21294), (11830, 20754), (13836, 17745), (14196, 17295), (14989, 16380), (15210, 16142)]