639613800

素因数分解:

$2^3\times 3^3\times 5^2\times 7^1\times {\mathrm{16921}}^1$

素因数の和:16953

約数の個数: 192

約数和(自身を含む): 2517993600

約数和(自身を除く): 1878379800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 168, 175, 180, 189, 200, 210, 216, 225, 252, 270, 280, 300, 315, 350, 360, 378, 420, 450, 504, 525, 540, 600, 630, 675, 700, 756, 840, 900, 945, 1050, 1080, 1260, 1350, 1400, 1512, 1575, 1800, 1890, 2100, 2520, 2700, 3150, 3780, 4200, 4725, 5400, 6300, 7560, 9450, 12600, 16921, 18900, 33842, 37800, 50763, 67684, 84605, 101526, 118447, 135368, 152289, 169210, 203052, 236894, 253815, 304578, 338420, 355341, 406104, 423025, 456867, 473788, 507630, 592235, 609156, 676840, 710682, 761445, 846050, 913734, 947576, 1015260, 1066023, 1184470, 1218312, 1269075, 1421364, 1522890, 1692100, 1776705, 1827468, 2030520, 2132046, 2284335, 2368940, 2538150, 2842728, 2961175, 3045780, 3198069, 3384200, 3553410, 3654936, 3807225, 4264092, 4568670, 4737880, 5076300, 5330115, 5922350, 6091560, 6396138, 7106820, 7614450, 8528184, 8883525, 9137340, 10152600, 10660230, 11421675, 11844700, 12792276, 14213640, 15228900, 15990345, 17767050, 18274680, 21320460, 22843350, 23689400, 25584552, 26650575, 30457800, 31980690, 35534100, 42640920, 45686700, 53301150, 63961380, 71068200, 79951725, 91373400, 106602300, 127922760, 159903450, 213204600, 319806900, 639613800]

約数ペア:

[(1, 639613800), (2, 319806900), (3, 213204600), (4, 159903450), (5, 127922760), (6, 106602300), (7, 91373400), (8, 79951725), (9, 71068200), (10, 63961380), (12, 53301150), (14, 45686700), (15, 42640920), (18, 35534100), (20, 31980690), (21, 30457800), (24, 26650575), (25, 25584552), (27, 23689400), (28, 22843350), (30, 21320460), (35, 18274680), (36, 17767050), (40, 15990345), (42, 15228900), (45, 14213640), (50, 12792276), (54, 11844700), (56, 11421675), (60, 10660230), (63, 10152600), (70, 9137340), (72, 8883525), (75, 8528184), (84, 7614450), (90, 7106820), (100, 6396138), (105, 6091560), (108, 5922350), (120, 5330115), (126, 5076300), (135, 4737880), (140, 4568670), (150, 4264092), (168, 3807225), (175, 3654936), (180, 3553410), (189, 3384200), (200, 3198069), (210, 3045780), (216, 2961175), (225, 2842728), (252, 2538150), (270, 2368940), (280, 2284335), (300, 2132046), (315, 2030520), (350, 1827468), (360, 1776705), (378, 1692100), (420, 1522890), (450, 1421364), (504, 1269075), (525, 1218312), (540, 1184470), (600, 1066023), (630, 1015260), (675, 947576), (700, 913734), (756, 846050), (840, 761445), (900, 710682), (945, 676840), (1050, 609156), (1080, 592235), (1260, 507630), (1350, 473788), (1400, 456867), (1512, 423025), (1575, 406104), (1800, 355341), (1890, 338420), (2100, 304578), (2520, 253815), (2700, 236894), (3150, 203052), (3780, 169210), (4200, 152289), (4725, 135368), (5400, 118447), (6300, 101526), (7560, 84605), (9450, 67684), (12600, 50763), (16921, 37800), (18900, 33842)]