2891007720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{2371}}^1$

素因数の和:3520

約数の個数: 128

約数和(自身を含む): 9649296000

約数和(自身を除く): 6758288280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1129, 2258, 2371, 3387, 4516, 4742, 5645, 6774, 7113, 9032, 9484, 10161, 11290, 11855, 13548, 14226, 16935, 18968, 20322, 21339, 22580, 23710, 27096, 28452, 30483, 33870, 35565, 40644, 42678, 45160, 47420, 50805, 56904, 60966, 64017, 67740, 71130, 81288, 85356, 94840, 101610, 106695, 121932, 128034, 135480, 142260, 152415, 170712, 203220, 213390, 243864, 256068, 284520, 304830, 320085, 406440, 426780, 512136, 609660, 640170, 853560, 1219320, 1280340, 2560680, 2676859, 5353718, 8030577, 10707436, 13384295, 16061154, 21414872, 24091731, 26768590, 32122308, 40152885, 48183462, 53537180, 64244616, 72275193, 80305770, 96366924, 107074360, 120458655, 144550386, 160611540, 192733848, 240917310, 289100772, 321223080, 361375965, 481834620, 578201544, 722751930, 963669240, 1445503860, 2891007720]

約数ペア:

[(1, 2891007720), (2, 1445503860), (3, 963669240), (4, 722751930), (5, 578201544), (6, 481834620), (8, 361375965), (9, 321223080), (10, 289100772), (12, 240917310), (15, 192733848), (18, 160611540), (20, 144550386), (24, 120458655), (27, 107074360), (30, 96366924), (36, 80305770), (40, 72275193), (45, 64244616), (54, 53537180), (60, 48183462), (72, 40152885), (90, 32122308), (108, 26768590), (120, 24091731), (135, 21414872), (180, 16061154), (216, 13384295), (270, 10707436), (360, 8030577), (540, 5353718), (1080, 2676859), (1129, 2560680), (2258, 1280340), (2371, 1219320), (3387, 853560), (4516, 640170), (4742, 609660), (5645, 512136), (6774, 426780), (7113, 406440), (9032, 320085), (9484, 304830), (10161, 284520), (11290, 256068), (11855, 243864), (13548, 213390), (14226, 203220), (16935, 170712), (18968, 152415), (20322, 142260), (21339, 135480), (22580, 128034), (23710, 121932), (27096, 106695), (28452, 101610), (30483, 94840), (33870, 85356), (35565, 81288), (40644, 71130), (42678, 67740), (45160, 64017), (47420, 60966), (50805, 56904)]