278421840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1658

約数の個数: 160

約数和(自身を含む): 971187840

約数和(自身を除く): 692766000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 498, 540, 664, 720, 747, 830, 996, 1080, 1245, 1328, 1494, 1553, 1660, 1992, 2160, 2241, 2490, 2988, 3106, 3320, 3735, 3984, 4482, 4659, 4980, 5976, 6212, 6640, 7470, 7765, 8964, 9318, 9960, 11205, 11952, 12424, 13977, 14940, 15530, 17928, 18636, 19920, 22410, 23295, 24848, 27954, 29880, 31060, 35856, 37272, 41931, 44820, 46590, 55908, 59760, 62120, 69885, 74544, 83862, 89640, 93180, 111816, 124240, 128899, 139770, 167724, 179280, 186360, 209655, 223632, 257798, 279540, 335448, 372720, 386697, 419310, 515596, 559080, 644495, 670896, 773394, 838620, 1031192, 1118160, 1160091, 1288990, 1546788, 1677240, 1933485, 2062384, 2320182, 2577980, 3093576, 3354480, 3480273, 3866970, 4640364, 5155960, 5800455, 6187152, 6960546, 7733940, 9280728, 10311920, 11600910, 13921092, 15467880, 17401365, 18561456, 23201820, 27842184, 30935760, 34802730, 46403640, 55684368, 69605460, 92807280, 139210920, 278421840]

約数ペア:

[(1, 278421840), (2, 139210920), (3, 92807280), (4, 69605460), (5, 55684368), (6, 46403640), (8, 34802730), (9, 30935760), (10, 27842184), (12, 23201820), (15, 18561456), (16, 17401365), (18, 15467880), (20, 13921092), (24, 11600910), (27, 10311920), (30, 9280728), (36, 7733940), (40, 6960546), (45, 6187152), (48, 5800455), (54, 5155960), (60, 4640364), (72, 3866970), (80, 3480273), (83, 3354480), (90, 3093576), (108, 2577980), (120, 2320182), (135, 2062384), (144, 1933485), (166, 1677240), (180, 1546788), (216, 1288990), (240, 1160091), (249, 1118160), (270, 1031192), (332, 838620), (360, 773394), (415, 670896), (432, 644495), (498, 559080), (540, 515596), (664, 419310), (720, 386697), (747, 372720), (830, 335448), (996, 279540), (1080, 257798), (1245, 223632), (1328, 209655), (1494, 186360), (1553, 179280), (1660, 167724), (1992, 139770), (2160, 128899), (2241, 124240), (2490, 111816), (2988, 93180), (3106, 89640), (3320, 83862), (3735, 74544), (3984, 69885), (4482, 62120), (4659, 59760), (4980, 55908), (5976, 46590), (6212, 44820), (6640, 41931), (7470, 37272), (7765, 35856), (8964, 31060), (9318, 29880), (9960, 27954), (11205, 24848), (11952, 23295), (12424, 22410), (13977, 19920), (14940, 18636), (15530, 17928)]