75286980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 238702464

約数和(自身を除く): 163415484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 137, 142, 172, 180, 213, 215, 258, 274, 284, 355, 387, 411, 426, 430, 516, 548, 639, 645, 685, 710, 774, 822, 852, 860, 1065, 1233, 1278, 1290, 1370, 1420, 1548, 1644, 1935, 2055, 2130, 2466, 2556, 2580, 2740, 3053, 3195, 3870, 4110, 4260, 4932, 5891, 6106, 6165, 6390, 7740, 8220, 9159, 9727, 11782, 12212, 12330, 12780, 15265, 17673, 18318, 19454, 23564, 24660, 27477, 29181, 29455, 30530, 35346, 36636, 38908, 45795, 48635, 53019, 54954, 58362, 58910, 61060, 70692, 87543, 88365, 91590, 97270, 106038, 109908, 116724, 117820, 137385, 145905, 175086, 176730, 183180, 194540, 212076, 265095, 274770, 291810, 350172, 353460, 418261, 437715, 530190, 549540, 583620, 836522, 875430, 1060380, 1254783, 1673044, 1750860, 2091305, 2509566, 3764349, 4182610, 5019132, 6273915, 7528698, 8365220, 12547830, 15057396, 18821745, 25095660, 37643490, 75286980]

約数ペア:

[(1, 75286980), (2, 37643490), (3, 25095660), (4, 18821745), (5, 15057396), (6, 12547830), (9, 8365220), (10, 7528698), (12, 6273915), (15, 5019132), (18, 4182610), (20, 3764349), (30, 2509566), (36, 2091305), (43, 1750860), (45, 1673044), (60, 1254783), (71, 1060380), (86, 875430), (90, 836522), (129, 583620), (137, 549540), (142, 530190), (172, 437715), (180, 418261), (213, 353460), (215, 350172), (258, 291810), (274, 274770), (284, 265095), (355, 212076), (387, 194540), (411, 183180), (426, 176730), (430, 175086), (516, 145905), (548, 137385), (639, 117820), (645, 116724), (685, 109908), (710, 106038), (774, 97270), (822, 91590), (852, 88365), (860, 87543), (1065, 70692), (1233, 61060), (1278, 58910), (1290, 58362), (1370, 54954), (1420, 53019), (1548, 48635), (1644, 45795), (1935, 38908), (2055, 36636), (2130, 35346), (2466, 30530), (2556, 29455), (2580, 29181), (2740, 27477), (3053, 24660), (3195, 23564), (3870, 19454), (4110, 18318), (4260, 17673), (4932, 15265), (5891, 12780), (6106, 12330), (6165, 12212), (6390, 11782), (7740, 9727), (8220, 9159)]