2102730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 6635520

約数和(自身を除く): 4532790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 31, 34, 35, 38, 42, 51, 57, 62, 70, 85, 93, 95, 102, 105, 114, 119, 133, 155, 170, 186, 190, 210, 217, 238, 255, 266, 285, 310, 323, 357, 399, 434, 465, 510, 527, 570, 589, 595, 646, 651, 665, 714, 798, 930, 969, 1054, 1085, 1178, 1190, 1302, 1330, 1581, 1615, 1767, 1785, 1938, 1995, 2170, 2261, 2635, 2945, 3162, 3230, 3255, 3534, 3570, 3689, 3990, 4123, 4522, 4845, 5270, 5890, 6510, 6783, 7378, 7905, 8246, 8835, 9690, 10013, 11067, 11305, 12369, 13566, 15810, 17670, 18445, 20026, 20615, 22134, 22610, 24738, 30039, 33915, 36890, 41230, 50065, 55335, 60078, 61845, 67830, 70091, 100130, 110670, 123690, 140182, 150195, 210273, 300390, 350455, 420546, 700910, 1051365, 2102730]

約数ペア:

[(1, 2102730), (2, 1051365), (3, 700910), (5, 420546), (6, 350455), (7, 300390), (10, 210273), (14, 150195), (15, 140182), (17, 123690), (19, 110670), (21, 100130), (30, 70091), (31, 67830), (34, 61845), (35, 60078), (38, 55335), (42, 50065), (51, 41230), (57, 36890), (62, 33915), (70, 30039), (85, 24738), (93, 22610), (95, 22134), (102, 20615), (105, 20026), (114, 18445), (119, 17670), (133, 15810), (155, 13566), (170, 12369), (186, 11305), (190, 11067), (210, 10013), (217, 9690), (238, 8835), (255, 8246), (266, 7905), (285, 7378), (310, 6783), (323, 6510), (357, 5890), (399, 5270), (434, 4845), (465, 4522), (510, 4123), (527, 3990), (570, 3689), (589, 3570), (595, 3534), (646, 3255), (651, 3230), (665, 3162), (714, 2945), (798, 2635), (930, 2261), (969, 2170), (1054, 1995), (1085, 1938), (1178, 1785), (1190, 1767), (1302, 1615), (1330, 1581)]