67100020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 173295360

約数和(自身を除く): 106195340

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 47, 52, 65, 68, 76, 85, 94, 95, 130, 170, 188, 190, 221, 235, 247, 260, 289, 323, 340, 380, 442, 470, 494, 578, 611, 646, 799, 884, 893, 940, 988, 1105, 1156, 1222, 1235, 1292, 1445, 1598, 1615, 1786, 2210, 2444, 2470, 2890, 3055, 3196, 3230, 3572, 3757, 3995, 4199, 4420, 4465, 4940, 5491, 5780, 6110, 6460, 7514, 7990, 8398, 8930, 10387, 10982, 11609, 12220, 13583, 15028, 15181, 15980, 16796, 17860, 18785, 20774, 20995, 21964, 23218, 27166, 27455, 30362, 37570, 41548, 41990, 46436, 51935, 54332, 54910, 58045, 60724, 67915, 71383, 75140, 75905, 83980, 103870, 109820, 116090, 135830, 142766, 151810, 176579, 197353, 207740, 232180, 258077, 271660, 285532, 303620, 353158, 356915, 394706, 516154, 706316, 713830, 789412, 882895, 986765, 1032308, 1290385, 1427660, 1765790, 1973530, 2580770, 3355001, 3531580, 3947060, 5161540, 6710002, 13420004, 16775005, 33550010, 67100020]

約数ペア:

[(1, 67100020), (2, 33550010), (4, 16775005), (5, 13420004), (10, 6710002), (13, 5161540), (17, 3947060), (19, 3531580), (20, 3355001), (26, 2580770), (34, 1973530), (38, 1765790), (47, 1427660), (52, 1290385), (65, 1032308), (68, 986765), (76, 882895), (85, 789412), (94, 713830), (95, 706316), (130, 516154), (170, 394706), (188, 356915), (190, 353158), (221, 303620), (235, 285532), (247, 271660), (260, 258077), (289, 232180), (323, 207740), (340, 197353), (380, 176579), (442, 151810), (470, 142766), (494, 135830), (578, 116090), (611, 109820), (646, 103870), (799, 83980), (884, 75905), (893, 75140), (940, 71383), (988, 67915), (1105, 60724), (1156, 58045), (1222, 54910), (1235, 54332), (1292, 51935), (1445, 46436), (1598, 41990), (1615, 41548), (1786, 37570), (2210, 30362), (2444, 27455), (2470, 27166), (2890, 23218), (3055, 21964), (3196, 20995), (3230, 20774), (3572, 18785), (3757, 17860), (3995, 16796), (4199, 15980), (4420, 15181), (4465, 15028), (4940, 13583), (5491, 12220), (5780, 11609), (6110, 10982), (6460, 10387), (7514, 8930), (7990, 8398)]