306190720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 256

約数和(自身を含む): 874229760

約数和(自身を除く): 568039040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 32, 40, 44, 46, 55, 61, 62, 64, 80, 88, 92, 110, 115, 122, 124, 128, 155, 160, 176, 184, 220, 230, 244, 248, 253, 305, 310, 320, 341, 352, 368, 440, 460, 488, 496, 506, 610, 620, 640, 671, 682, 704, 713, 736, 880, 920, 976, 992, 1012, 1220, 1240, 1265, 1342, 1364, 1403, 1408, 1426, 1472, 1705, 1760, 1840, 1891, 1952, 1984, 2024, 2440, 2480, 2530, 2684, 2728, 2806, 2852, 2944, 3355, 3410, 3520, 3565, 3680, 3782, 3904, 3968, 4048, 4880, 4960, 5060, 5368, 5456, 5612, 5704, 6710, 6820, 7015, 7040, 7130, 7360, 7564, 7808, 7843, 8096, 9455, 9760, 9920, 10120, 10736, 10912, 11224, 11408, 13420, 13640, 14030, 14260, 14720, 15128, 15433, 15686, 16192, 18910, 19520, 19840, 20240, 20801, 21472, 21824, 22448, 22816, 26840, 27280, 28060, 28520, 30256, 30866, 31372, 32384, 37820, 39040, 39215, 40480, 41602, 42944, 43493, 43648, 44896, 45632, 53680, 54560, 56120, 57040, 60512, 61732, 62744, 75640, 77165, 78430, 80960, 83204, 85888, 86986, 89792, 91264, 104005, 107360, 109120, 112240, 114080, 121024, 123464, 125488, 151280, 154330, 156860, 161920, 166408, 173972, 179584, 208010, 214720, 217465, 218240, 224480, 228160, 242048, 246928, 250976, 302560, 308660, 313720, 332816, 347944, 416020, 429440, 434930, 448960, 456320, 478423, 493856, 501952, 605120, 617320, 627440, 665632, 695888, 832040, 869860, 897920, 956846, 987712, 1003904, 1210240, 1234640, 1254880, 1331264, 1391776, 1664080, 1739720, 1913692, 1975424, 2392115, 2469280, 2509760, 2662528, 2783552, 3328160, 3479440, 3827384, 4784230, 4938560, 5019520, 5567104, 6656320, 6958880, 7654768, 9568460, 9877120, 13312640, 13917760, 15309536, 19136920, 27835520, 30619072, 38273840, 61238144, 76547680, 153095360, 306190720]

約数ペア:

[(1, 306190720), (2, 153095360), (4, 76547680), (5, 61238144), (8, 38273840), (10, 30619072), (11, 27835520), (16, 19136920), (20, 15309536), (22, 13917760), (23, 13312640), (31, 9877120), (32, 9568460), (40, 7654768), (44, 6958880), (46, 6656320), (55, 5567104), (61, 5019520), (62, 4938560), (64, 4784230), (80, 3827384), (88, 3479440), (92, 3328160), (110, 2783552), (115, 2662528), (122, 2509760), (124, 2469280), (128, 2392115), (155, 1975424), (160, 1913692), (176, 1739720), (184, 1664080), (220, 1391776), (230, 1331264), (244, 1254880), (248, 1234640), (253, 1210240), (305, 1003904), (310, 987712), (320, 956846), (341, 897920), (352, 869860), (368, 832040), (440, 695888), (460, 665632), (488, 627440), (496, 617320), (506, 605120), (610, 501952), (620, 493856), (640, 478423), (671, 456320), (682, 448960), (704, 434930), (713, 429440), (736, 416020), (880, 347944), (920, 332816), (976, 313720), (992, 308660), (1012, 302560), (1220, 250976), (1240, 246928), (1265, 242048), (1342, 228160), (1364, 224480), (1403, 218240), (1408, 217465), (1426, 214720), (1472, 208010), (1705, 179584), (1760, 173972), (1840, 166408), (1891, 161920), (1952, 156860), (1984, 154330), (2024, 151280), (2440, 125488), (2480, 123464), (2530, 121024), (2684, 114080), (2728, 112240), (2806, 109120), (2852, 107360), (2944, 104005), (3355, 91264), (3410, 89792), (3520, 86986), (3565, 85888), (3680, 83204), (3782, 80960), (3904, 78430), (3968, 77165), (4048, 75640), (4880, 62744), (4960, 61732), (5060, 60512), (5368, 57040), (5456, 56120), (5612, 54560), (5704, 53680), (6710, 45632), (6820, 44896), (7015, 43648), (7040, 43493), (7130, 42944), (7360, 41602), (7564, 40480), (7808, 39215), (7843, 39040), (8096, 37820), (9455, 32384), (9760, 31372), (9920, 30866), (10120, 30256), (10736, 28520), (10912, 28060), (11224, 27280), (11408, 26840), (13420, 22816), (13640, 22448), (14030, 21824), (14260, 21472), (14720, 20801), (15128, 20240), (15433, 19840), (15686, 19520), (16192, 18910)]