156965195120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1\times {\mathrm{9491}}^1$

素因数の和:12954

約数の個数: 80

約数和(自身を含む): 371075312160

約数和(自身を除く): 214110117040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3389, 4880, 6778, 9491, 13556, 16945, 18982, 27112, 33890, 37964, 47455, 54224, 67780, 75928, 94910, 135560, 151856, 189820, 206729, 271120, 379640, 413458, 578951, 759280, 826916, 1033645, 1157902, 1653832, 2067290, 2315804, 2894755, 3307664, 4134580, 4631608, 5789510, 8269160, 9263216, 11579020, 16538320, 23158040, 32164999, 46316080, 64329998, 128659996, 160824995, 257319992, 321649990, 514639984, 643299980, 1286599960, 1962064939, 2573199920, 3924129878, 7848259756, 9810324695, 15696519512, 19620649390, 31393039024, 39241298780, 78482597560, 156965195120]

約数ペア:

[(1, 156965195120), (2, 78482597560), (4, 39241298780), (5, 31393039024), (8, 19620649390), (10, 15696519512), (16, 9810324695), (20, 7848259756), (40, 3924129878), (61, 2573199920), (80, 1962064939), (122, 1286599960), (244, 643299980), (305, 514639984), (488, 321649990), (610, 257319992), (976, 160824995), (1220, 128659996), (2440, 64329998), (3389, 46316080), (4880, 32164999), (6778, 23158040), (9491, 16538320), (13556, 11579020), (16945, 9263216), (18982, 8269160), (27112, 5789510), (33890, 4631608), (37964, 4134580), (47455, 3307664), (54224, 2894755), (67780, 2315804), (75928, 2067290), (94910, 1653832), (135560, 1157902), (151856, 1033645), (189820, 826916), (206729, 759280), (271120, 578951), (379640, 413458)]