1819440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2$

素因数の和:64

約数の個数: 180

約数和(自身を含む): 7370064

約数和(自身を除く): 5550624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 361, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 722, 760, 798, 840, 855, 912, 1008, 1064, 1083, 1140, 1197, 1260, 1330, 1368, 1444, 1520, 1596, 1680, 1710, 1805, 1995, 2128, 2166, 2280, 2394, 2520, 2527, 2660, 2736, 2888, 3192, 3249, 3420, 3610, 3990, 4332, 4560, 4788, 5040, 5054, 5320, 5415, 5776, 5985, 6384, 6498, 6840, 7220, 7581, 7980, 8664, 9576, 10108, 10640, 10830, 11970, 12635, 12996, 13680, 14440, 15162, 15960, 16245, 17328, 19152, 20216, 21660, 22743, 23940, 25270, 25992, 28880, 30324, 31920, 32490, 37905, 40432, 43320, 45486, 47880, 50540, 51984, 60648, 64980, 75810, 86640, 90972, 95760, 101080, 113715, 121296, 129960, 151620, 181944, 202160, 227430, 259920, 303240, 363888, 454860, 606480, 909720, 1819440]

約数ペア:

[(1, 1819440), (2, 909720), (3, 606480), (4, 454860), (5, 363888), (6, 303240), (7, 259920), (8, 227430), (9, 202160), (10, 181944), (12, 151620), (14, 129960), (15, 121296), (16, 113715), (18, 101080), (19, 95760), (20, 90972), (21, 86640), (24, 75810), (28, 64980), (30, 60648), (35, 51984), (36, 50540), (38, 47880), (40, 45486), (42, 43320), (45, 40432), (48, 37905), (56, 32490), (57, 31920), (60, 30324), (63, 28880), (70, 25992), (72, 25270), (76, 23940), (80, 22743), (84, 21660), (90, 20216), (95, 19152), (105, 17328), (112, 16245), (114, 15960), (120, 15162), (126, 14440), (133, 13680), (140, 12996), (144, 12635), (152, 11970), (168, 10830), (171, 10640), (180, 10108), (190, 9576), (210, 8664), (228, 7980), (240, 7581), (252, 7220), (266, 6840), (280, 6498), (285, 6384), (304, 5985), (315, 5776), (336, 5415), (342, 5320), (360, 5054), (361, 5040), (380, 4788), (399, 4560), (420, 4332), (456, 3990), (504, 3610), (532, 3420), (560, 3249), (570, 3192), (630, 2888), (665, 2736), (684, 2660), (720, 2527), (722, 2520), (760, 2394), (798, 2280), (840, 2166), (855, 2128), (912, 1995), (1008, 1805), (1064, 1710), (1083, 1680), (1140, 1596), (1197, 1520), (1260, 1444), (1330, 1368)]