20138934480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{630919}}^1$

素因数の和:630961

約数の個数: 160

約数和(自身を含む): 75104716800

約数和(自身を除く): 54965782320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 31920, 630919, 1261838, 1892757, 2523676, 3154595, 3785514, 4416433, 5047352, 6309190, 7571028, 8832866, 9463785, 10094704, 11987461, 12618380, 13249299, 15142056, 17665732, 18927570, 22082165, 23974922, 25236760, 26498598, 30284112, 35331464, 35962383, 37855140, 44164330, 47949844, 50473520, 52997196, 59937305, 66246495, 70662928, 71924766, 75710280, 83912227, 88328660, 95899688, 105994392, 119874610, 132492990, 143849532, 151420560, 167824454, 176657320, 179811915, 191799376, 211988784, 239749220, 251736681, 264985980, 287699064, 335648908, 353314640, 359623830, 419561135, 479498440, 503473362, 529971960, 575398128, 671297816, 719247660, 839122270, 958996880, 1006946724, 1059943920, 1258683405, 1342595632, 1438495320, 1678244540, 2013893448, 2517366810, 2876990640, 3356489080, 4027786896, 5034733620, 6712978160, 10069467240, 20138934480]

約数ペア:

[(1, 20138934480), (2, 10069467240), (3, 6712978160), (4, 5034733620), (5, 4027786896), (6, 3356489080), (7, 2876990640), (8, 2517366810), (10, 2013893448), (12, 1678244540), (14, 1438495320), (15, 1342595632), (16, 1258683405), (19, 1059943920), (20, 1006946724), (21, 958996880), (24, 839122270), (28, 719247660), (30, 671297816), (35, 575398128), (38, 529971960), (40, 503473362), (42, 479498440), (48, 419561135), (56, 359623830), (57, 353314640), (60, 335648908), (70, 287699064), (76, 264985980), (80, 251736681), (84, 239749220), (95, 211988784), (105, 191799376), (112, 179811915), (114, 176657320), (120, 167824454), (133, 151420560), (140, 143849532), (152, 132492990), (168, 119874610), (190, 105994392), (210, 95899688), (228, 88328660), (240, 83912227), (266, 75710280), (280, 71924766), (285, 70662928), (304, 66246495), (336, 59937305), (380, 52997196), (399, 50473520), (420, 47949844), (456, 44164330), (532, 37855140), (560, 35962383), (570, 35331464), (665, 30284112), (760, 26498598), (798, 25236760), (840, 23974922), (912, 22082165), (1064, 18927570), (1140, 17665732), (1330, 15142056), (1520, 13249299), (1596, 12618380), (1680, 11987461), (1995, 10094704), (2128, 9463785), (2280, 8832866), (2660, 7571028), (3192, 6309190), (3990, 5047352), (4560, 4416433), (5320, 3785514), (6384, 3154595), (7980, 2523676), (10640, 1892757), (15960, 1261838), (31920, 630919)]