77749380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 245494704

約数和(自身を除く): 167745324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 73, 90, 97, 122, 146, 180, 183, 194, 219, 244, 291, 292, 305, 365, 366, 388, 438, 485, 549, 582, 610, 657, 730, 732, 873, 876, 915, 970, 1095, 1098, 1164, 1220, 1314, 1455, 1460, 1746, 1830, 1940, 2190, 2196, 2628, 2745, 2910, 3285, 3492, 3660, 4365, 4380, 4453, 5490, 5820, 5917, 6570, 7081, 8730, 8906, 10980, 11834, 13140, 13359, 14162, 17460, 17751, 17812, 21243, 22265, 23668, 26718, 28324, 29585, 35405, 35502, 40077, 42486, 44530, 53253, 53436, 59170, 63729, 66795, 70810, 71004, 80154, 84972, 88755, 89060, 106215, 106506, 118340, 127458, 133590, 141620, 160308, 177510, 200385, 212430, 213012, 254916, 266265, 267180, 318645, 355020, 400770, 424860, 431941, 532530, 637290, 801540, 863882, 1065060, 1274580, 1295823, 1727764, 2159705, 2591646, 3887469, 4319410, 5183292, 6479115, 7774938, 8638820, 12958230, 15549876, 19437345, 25916460, 38874690, 77749380]

約数ペア:

[(1, 77749380), (2, 38874690), (3, 25916460), (4, 19437345), (5, 15549876), (6, 12958230), (9, 8638820), (10, 7774938), (12, 6479115), (15, 5183292), (18, 4319410), (20, 3887469), (30, 2591646), (36, 2159705), (45, 1727764), (60, 1295823), (61, 1274580), (73, 1065060), (90, 863882), (97, 801540), (122, 637290), (146, 532530), (180, 431941), (183, 424860), (194, 400770), (219, 355020), (244, 318645), (291, 267180), (292, 266265), (305, 254916), (365, 213012), (366, 212430), (388, 200385), (438, 177510), (485, 160308), (549, 141620), (582, 133590), (610, 127458), (657, 118340), (730, 106506), (732, 106215), (873, 89060), (876, 88755), (915, 84972), (970, 80154), (1095, 71004), (1098, 70810), (1164, 66795), (1220, 63729), (1314, 59170), (1455, 53436), (1460, 53253), (1746, 44530), (1830, 42486), (1940, 40077), (2190, 35502), (2196, 35405), (2628, 29585), (2745, 28324), (2910, 26718), (3285, 23668), (3492, 22265), (3660, 21243), (4365, 17812), (4380, 17751), (4453, 17460), (5490, 14162), (5820, 13359), (5917, 13140), (6570, 11834), (7081, 10980), (8730, 8906)]