1854365440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2818

約数の個数: 144

約数和(自身を含む): 4856544000

約数和(自身を除く): 3002178560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 992, 1054, 1088, 1240, 1280, 1360, 1984, 2108, 2176, 2480, 2635, 2720, 2749, 3968, 4216, 4352, 4960, 5270, 5440, 5498, 7936, 8432, 9920, 10540, 10880, 10996, 13745, 16864, 19840, 21080, 21760, 21992, 27490, 33728, 39680, 42160, 43984, 46733, 54980, 67456, 84320, 85219, 87968, 93466, 109960, 134912, 168640, 170438, 175936, 186932, 219920, 233665, 337280, 340876, 351872, 373864, 426095, 439840, 467330, 674560, 681752, 703744, 747728, 852190, 879680, 934660, 1363504, 1448723, 1495456, 1704380, 1759360, 1869320, 2727008, 2897446, 2990912, 3408760, 3518720, 3738640, 5454016, 5794892, 5981824, 6817520, 7243615, 7477280, 10908032, 11589784, 11963648, 13635040, 14487230, 14954560, 21816064, 23179568, 27270080, 28974460, 29909120, 46359136, 54540160, 57948920, 59818240, 92718272, 109080320, 115897840, 185436544, 231795680, 370873088, 463591360, 927182720, 1854365440]

約数ペア:

[(1, 1854365440), (2, 927182720), (4, 463591360), (5, 370873088), (8, 231795680), (10, 185436544), (16, 115897840), (17, 109080320), (20, 92718272), (31, 59818240), (32, 57948920), (34, 54540160), (40, 46359136), (62, 29909120), (64, 28974460), (68, 27270080), (80, 23179568), (85, 21816064), (124, 14954560), (128, 14487230), (136, 13635040), (155, 11963648), (160, 11589784), (170, 10908032), (248, 7477280), (256, 7243615), (272, 6817520), (310, 5981824), (320, 5794892), (340, 5454016), (496, 3738640), (527, 3518720), (544, 3408760), (620, 2990912), (640, 2897446), (680, 2727008), (992, 1869320), (1054, 1759360), (1088, 1704380), (1240, 1495456), (1280, 1448723), (1360, 1363504), (1984, 934660), (2108, 879680), (2176, 852190), (2480, 747728), (2635, 703744), (2720, 681752), (2749, 674560), (3968, 467330), (4216, 439840), (4352, 426095), (4960, 373864), (5270, 351872), (5440, 340876), (5498, 337280), (7936, 233665), (8432, 219920), (9920, 186932), (10540, 175936), (10880, 170438), (10996, 168640), (13745, 134912), (16864, 109960), (19840, 93466), (21080, 87968), (21760, 85219), (21992, 84320), (27490, 67456), (33728, 54980), (39680, 46733), (42160, 43984)]