77764020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21247}}^1$

素因数の和:21320

約数の個数: 48

約数和(自身を含む): 221319168

約数和(自身を除く): 143555148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21247, 42494, 63741, 84988, 106235, 127482, 212470, 254964, 318705, 424940, 637410, 1274820, 1296067, 2592134, 3888201, 5184268, 6480335, 7776402, 12960670, 15552804, 19441005, 25921340, 38882010, 77764020]

約数ペア:

[(1, 77764020), (2, 38882010), (3, 25921340), (4, 19441005), (5, 15552804), (6, 12960670), (10, 7776402), (12, 6480335), (15, 5184268), (20, 3888201), (30, 2592134), (60, 1296067), (61, 1274820), (122, 637410), (183, 424940), (244, 318705), (305, 254964), (366, 212470), (610, 127482), (732, 106235), (915, 84988), (1220, 63741), (1830, 42494), (3660, 21247)]