120620721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 193536000

約数和(自身を除く): 72915279

約数列:

[1, 3, 13, 19, 31, 39, 57, 59, 89, 93, 177, 247, 267, 403, 589, 741, 767, 1121, 1157, 1209, 1691, 1767, 1829, 2301, 2759, 3363, 3471, 5073, 5251, 5487, 7657, 8277, 14573, 15753, 21983, 22971, 23777, 34751, 35867, 43719, 52421, 65949, 68263, 71331, 99769, 104253, 107601, 157263, 162781, 204789, 299307, 451763, 488343, 681473, 1296997, 1355289, 2044419, 2116153, 3092839, 3890991, 6348459, 9278517, 40206907, 120620721]

約数ペア:

[(1, 120620721), (3, 40206907), (13, 9278517), (19, 6348459), (31, 3890991), (39, 3092839), (57, 2116153), (59, 2044419), (89, 1355289), (93, 1296997), (177, 681473), (247, 488343), (267, 451763), (403, 299307), (589, 204789), (741, 162781), (767, 157263), (1121, 107601), (1157, 104253), (1209, 99769), (1691, 71331), (1767, 68263), (1829, 65949), (2301, 52421), (2759, 43719), (3363, 35867), (3471, 34751), (5073, 23777), (5251, 22971), (5487, 21983), (7657, 15753), (8277, 14573)]