218392720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 160

約数和(自身を含む): 632459520

約数和(自身を除く): 414066800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 131, 140, 182, 208, 229, 260, 262, 280, 364, 455, 458, 520, 524, 560, 655, 728, 910, 916, 917, 1040, 1048, 1145, 1310, 1456, 1603, 1703, 1820, 1832, 1834, 2096, 2290, 2620, 2977, 3206, 3406, 3640, 3664, 3668, 4580, 4585, 5240, 5954, 6412, 6812, 7280, 7336, 8015, 8515, 9160, 9170, 10480, 11908, 11921, 12824, 13624, 14672, 14885, 16030, 17030, 18320, 18340, 20839, 23816, 23842, 25648, 27248, 29770, 29999, 32060, 34060, 36680, 41678, 47632, 47684, 59540, 59605, 59998, 64120, 68120, 73360, 83356, 95368, 104195, 119080, 119210, 119996, 128240, 136240, 149995, 166712, 190736, 208390, 209993, 238160, 238420, 239992, 299990, 333424, 389987, 416780, 419986, 476840, 479984, 599980, 779974, 833560, 839972, 953680, 1049965, 1199960, 1559948, 1667120, 1679944, 1949935, 2099930, 2399920, 2729909, 3119896, 3359888, 3899870, 4199860, 5459818, 6239792, 7799740, 8399720, 10919636, 13649545, 15599480, 16799440, 21839272, 27299090, 31198960, 43678544, 54598180, 109196360, 218392720]

約数ペア:

[(1, 218392720), (2, 109196360), (4, 54598180), (5, 43678544), (7, 31198960), (8, 27299090), (10, 21839272), (13, 16799440), (14, 15599480), (16, 13649545), (20, 10919636), (26, 8399720), (28, 7799740), (35, 6239792), (40, 5459818), (52, 4199860), (56, 3899870), (65, 3359888), (70, 3119896), (80, 2729909), (91, 2399920), (104, 2099930), (112, 1949935), (130, 1679944), (131, 1667120), (140, 1559948), (182, 1199960), (208, 1049965), (229, 953680), (260, 839972), (262, 833560), (280, 779974), (364, 599980), (455, 479984), (458, 476840), (520, 419986), (524, 416780), (560, 389987), (655, 333424), (728, 299990), (910, 239992), (916, 238420), (917, 238160), (1040, 209993), (1048, 208390), (1145, 190736), (1310, 166712), (1456, 149995), (1603, 136240), (1703, 128240), (1820, 119996), (1832, 119210), (1834, 119080), (2096, 104195), (2290, 95368), (2620, 83356), (2977, 73360), (3206, 68120), (3406, 64120), (3640, 59998), (3664, 59605), (3668, 59540), (4580, 47684), (4585, 47632), (5240, 41678), (5954, 36680), (6412, 34060), (6812, 32060), (7280, 29999), (7336, 29770), (8015, 27248), (8515, 25648), (9160, 23842), (9170, 23816), (10480, 20839), (11908, 18340), (11921, 18320), (12824, 17030), (13624, 16030), (14672, 14885)]