1640457900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{16421}}^1$

素因数の和:16481

約数の個数: 144

約数和(自身を含む): 5416632480

約数和(自身を除く): 3776174580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 135, 148, 150, 180, 185, 222, 225, 270, 300, 333, 370, 444, 450, 540, 555, 666, 675, 740, 900, 925, 999, 1110, 1332, 1350, 1665, 1850, 1998, 2220, 2700, 2775, 3330, 3700, 3996, 4995, 5550, 6660, 8325, 9990, 11100, 16421, 16650, 19980, 24975, 32842, 33300, 49263, 49950, 65684, 82105, 98526, 99900, 147789, 164210, 197052, 246315, 295578, 328420, 410525, 443367, 492630, 591156, 607577, 738945, 821050, 886734, 985260, 1215154, 1231575, 1477890, 1642100, 1773468, 1822731, 2216835, 2430308, 2463150, 2955780, 3037885, 3645462, 3694725, 4433670, 4926300, 5468193, 6075770, 7290924, 7389450, 8867340, 9113655, 10936386, 11084175, 12151540, 14778900, 15189425, 16404579, 18227310, 21872772, 22168350, 27340965, 30378850, 32809158, 36454620, 44336700, 45568275, 54681930, 60757700, 65618316, 82022895, 91136550, 109363860, 136704825, 164045790, 182273100, 273409650, 328091580, 410114475, 546819300, 820228950, 1640457900]

約数ペア:

[(1, 1640457900), (2, 820228950), (3, 546819300), (4, 410114475), (5, 328091580), (6, 273409650), (9, 182273100), (10, 164045790), (12, 136704825), (15, 109363860), (18, 91136550), (20, 82022895), (25, 65618316), (27, 60757700), (30, 54681930), (36, 45568275), (37, 44336700), (45, 36454620), (50, 32809158), (54, 30378850), (60, 27340965), (74, 22168350), (75, 21872772), (90, 18227310), (100, 16404579), (108, 15189425), (111, 14778900), (135, 12151540), (148, 11084175), (150, 10936386), (180, 9113655), (185, 8867340), (222, 7389450), (225, 7290924), (270, 6075770), (300, 5468193), (333, 4926300), (370, 4433670), (444, 3694725), (450, 3645462), (540, 3037885), (555, 2955780), (666, 2463150), (675, 2430308), (740, 2216835), (900, 1822731), (925, 1773468), (999, 1642100), (1110, 1477890), (1332, 1231575), (1350, 1215154), (1665, 985260), (1850, 886734), (1998, 821050), (2220, 738945), (2700, 607577), (2775, 591156), (3330, 492630), (3700, 443367), (3996, 410525), (4995, 328420), (5550, 295578), (6660, 246315), (8325, 197052), (9990, 164210), (11100, 147789), (16421, 99900), (16650, 98526), (19980, 82105), (24975, 65684), (32842, 49950), (33300, 49263)]