978178960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1637

約数の個数: 160

約数和(自身を含む): 2674114560

約数和(自身を除く): 1695935600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 176, 184, 220, 230, 248, 253, 310, 341, 368, 440, 460, 496, 506, 620, 682, 713, 880, 920, 1012, 1240, 1265, 1364, 1426, 1559, 1705, 1840, 2024, 2480, 2530, 2728, 2852, 3118, 3410, 3565, 4048, 5060, 5456, 5704, 6236, 6820, 7130, 7795, 7843, 10120, 11408, 12472, 13640, 14260, 15590, 15686, 17149, 20240, 24944, 27280, 28520, 31180, 31372, 34298, 35857, 39215, 48329, 57040, 62360, 62744, 68596, 71714, 78430, 85745, 96658, 124720, 125488, 137192, 143428, 156860, 171490, 179285, 193316, 241645, 274384, 286856, 313720, 342980, 358570, 386632, 394427, 483290, 531619, 573712, 627440, 685960, 717140, 773264, 788854, 966580, 1063238, 1111567, 1371920, 1434280, 1577708, 1933160, 1972135, 2126476, 2223134, 2658095, 2868560, 3155416, 3866320, 3944270, 4252952, 4446268, 5316190, 5557835, 6310832, 7888540, 8505904, 8892536, 10632380, 11115670, 12227237, 15777080, 17785072, 21264760, 22231340, 24454474, 31554160, 42529520, 44462680, 48908948, 61136185, 88925360, 97817896, 122272370, 195635792, 244544740, 489089480, 978178960]

約数ペア:

[(1, 978178960), (2, 489089480), (4, 244544740), (5, 195635792), (8, 122272370), (10, 97817896), (11, 88925360), (16, 61136185), (20, 48908948), (22, 44462680), (23, 42529520), (31, 31554160), (40, 24454474), (44, 22231340), (46, 21264760), (55, 17785072), (62, 15777080), (80, 12227237), (88, 11115670), (92, 10632380), (110, 8892536), (115, 8505904), (124, 7888540), (155, 6310832), (176, 5557835), (184, 5316190), (220, 4446268), (230, 4252952), (248, 3944270), (253, 3866320), (310, 3155416), (341, 2868560), (368, 2658095), (440, 2223134), (460, 2126476), (496, 1972135), (506, 1933160), (620, 1577708), (682, 1434280), (713, 1371920), (880, 1111567), (920, 1063238), (1012, 966580), (1240, 788854), (1265, 773264), (1364, 717140), (1426, 685960), (1559, 627440), (1705, 573712), (1840, 531619), (2024, 483290), (2480, 394427), (2530, 386632), (2728, 358570), (2852, 342980), (3118, 313720), (3410, 286856), (3565, 274384), (4048, 241645), (5060, 193316), (5456, 179285), (5704, 171490), (6236, 156860), (6820, 143428), (7130, 137192), (7795, 125488), (7843, 124720), (10120, 96658), (11408, 85745), (12472, 78430), (13640, 71714), (14260, 68596), (15590, 62744), (15686, 62360), (17149, 57040), (20240, 48329), (24944, 39215), (27280, 35857), (28520, 34298), (31180, 31372)]