76821570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2080

約数の個数: 96

約数和(自身を含む): 232128000

約数和(自身を除く): 155306430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 1999, 2135, 2562, 2745, 3843, 3998, 4270, 5490, 5997, 6405, 7686, 9995, 11994, 12810, 13993, 17991, 19215, 19990, 27986, 29985, 35982, 38430, 41979, 59970, 69965, 83958, 89955, 121939, 125937, 139930, 179910, 209895, 243878, 251874, 365817, 419790, 609695, 629685, 731634, 853573, 1097451, 1219390, 1259370, 1707146, 1829085, 2194902, 2560719, 3658170, 4267865, 5121438, 5487255, 7682157, 8535730, 10974510, 12803595, 15364314, 25607190, 38410785, 76821570]

約数ペア:

[(1, 76821570), (2, 38410785), (3, 25607190), (5, 15364314), (6, 12803595), (7, 10974510), (9, 8535730), (10, 7682157), (14, 5487255), (15, 5121438), (18, 4267865), (21, 3658170), (30, 2560719), (35, 2194902), (42, 1829085), (45, 1707146), (61, 1259370), (63, 1219390), (70, 1097451), (90, 853573), (105, 731634), (122, 629685), (126, 609695), (183, 419790), (210, 365817), (305, 251874), (315, 243878), (366, 209895), (427, 179910), (549, 139930), (610, 125937), (630, 121939), (854, 89955), (915, 83958), (1098, 69965), (1281, 59970), (1830, 41979), (1999, 38430), (2135, 35982), (2562, 29985), (2745, 27986), (3843, 19990), (3998, 19215), (4270, 17991), (5490, 13993), (5997, 12810), (6405, 11994), (7686, 9995)]