178241940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1942

約数の個数: 144

約数和(自身を含む): 591252480

約数和(自身を除く): 413010540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 1879, 2108, 2635, 2790, 3060, 3162, 3758, 4743, 5270, 5580, 5637, 6324, 7516, 7905, 9395, 9486, 10540, 11274, 15810, 16911, 18790, 18972, 22548, 23715, 28185, 31620, 31943, 33822, 37580, 47430, 56370, 58249, 63886, 67644, 84555, 94860, 95829, 112740, 116498, 127772, 159715, 169110, 174747, 191658, 232996, 287487, 291245, 319430, 338220, 349494, 383316, 479145, 524241, 574974, 582490, 638860, 698988, 873735, 958290, 990233, 1048482, 1149948, 1164980, 1437435, 1747470, 1916580, 1980466, 2096964, 2621205, 2874870, 2970699, 3494940, 3960932, 4951165, 5242410, 5749740, 5941398, 8912097, 9902330, 10484820, 11882796, 14853495, 17824194, 19804660, 29706990, 35648388, 44560485, 59413980, 89120970, 178241940]

約数ペア:

[(1, 178241940), (2, 89120970), (3, 59413980), (4, 44560485), (5, 35648388), (6, 29706990), (9, 19804660), (10, 17824194), (12, 14853495), (15, 11882796), (17, 10484820), (18, 9902330), (20, 8912097), (30, 5941398), (31, 5749740), (34, 5242410), (36, 4951165), (45, 3960932), (51, 3494940), (60, 2970699), (62, 2874870), (68, 2621205), (85, 2096964), (90, 1980466), (93, 1916580), (102, 1747470), (124, 1437435), (153, 1164980), (155, 1149948), (170, 1048482), (180, 990233), (186, 958290), (204, 873735), (255, 698988), (279, 638860), (306, 582490), (310, 574974), (340, 524241), (372, 479145), (465, 383316), (510, 349494), (527, 338220), (558, 319430), (612, 291245), (620, 287487), (765, 232996), (930, 191658), (1020, 174747), (1054, 169110), (1116, 159715), (1395, 127772), (1530, 116498), (1581, 112740), (1860, 95829), (1879, 94860), (2108, 84555), (2635, 67644), (2790, 63886), (3060, 58249), (3162, 56370), (3758, 47430), (4743, 37580), (5270, 33822), (5580, 31943), (5637, 31620), (6324, 28185), (7516, 23715), (7905, 22548), (9395, 18972), (9486, 18790), (10540, 16911), (11274, 15810)]