204870120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 256

約数和(自身を含む): 769789440

約数和(自身を除く): 564919320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 73, 78, 84, 91, 104, 105, 120, 130, 140, 146, 156, 168, 182, 195, 210, 219, 257, 260, 273, 280, 292, 312, 364, 365, 390, 420, 438, 455, 511, 514, 520, 546, 584, 728, 730, 771, 780, 840, 876, 910, 949, 1022, 1028, 1092, 1095, 1285, 1365, 1460, 1533, 1542, 1560, 1752, 1799, 1820, 1898, 2044, 2056, 2184, 2190, 2555, 2570, 2730, 2847, 2920, 3066, 3084, 3341, 3598, 3640, 3796, 3855, 4088, 4380, 4745, 5110, 5140, 5397, 5460, 5694, 6132, 6168, 6643, 6682, 7196, 7592, 7665, 7710, 8760, 8995, 9490, 10023, 10220, 10280, 10794, 10920, 11388, 12264, 13286, 13364, 14235, 14392, 15330, 15420, 16705, 17990, 18761, 18980, 19929, 20046, 20440, 21588, 22776, 23387, 26572, 26728, 26985, 28470, 30660, 30840, 33215, 33410, 35980, 37522, 37960, 39858, 40092, 43176, 46774, 50115, 53144, 53970, 56283, 56940, 61320, 66430, 66820, 70161, 71960, 75044, 79716, 80184, 93548, 93805, 99645, 100230, 107940, 112566, 113880, 116935, 131327, 132860, 133640, 140322, 150088, 159432, 187096, 187610, 199290, 200460, 215880, 225132, 233870, 243893, 262654, 265720, 280644, 281415, 350805, 375220, 393981, 398580, 400920, 450264, 467740, 487786, 525308, 561288, 562830, 656635, 701610, 731679, 750440, 787962, 797160, 935480, 975572, 1050616, 1125660, 1219465, 1313270, 1403220, 1463358, 1575924, 1707251, 1951144, 1969905, 2251320, 2438930, 2626540, 2806440, 2926716, 3151848, 3414502, 3658395, 3939810, 4877860, 5121753, 5253080, 5853432, 6829004, 7316790, 7879620, 8536255, 9755720, 10243506, 13658008, 14633580, 15759240, 17072510, 20487012, 25608765, 29267160, 34145020, 40974024, 51217530, 68290040, 102435060, 204870120]

約数ペア:

[(1, 204870120), (2, 102435060), (3, 68290040), (4, 51217530), (5, 40974024), (6, 34145020), (7, 29267160), (8, 25608765), (10, 20487012), (12, 17072510), (13, 15759240), (14, 14633580), (15, 13658008), (20, 10243506), (21, 9755720), (24, 8536255), (26, 7879620), (28, 7316790), (30, 6829004), (35, 5853432), (39, 5253080), (40, 5121753), (42, 4877860), (52, 3939810), (56, 3658395), (60, 3414502), (65, 3151848), (70, 2926716), (73, 2806440), (78, 2626540), (84, 2438930), (91, 2251320), (104, 1969905), (105, 1951144), (120, 1707251), (130, 1575924), (140, 1463358), (146, 1403220), (156, 1313270), (168, 1219465), (182, 1125660), (195, 1050616), (210, 975572), (219, 935480), (257, 797160), (260, 787962), (273, 750440), (280, 731679), (292, 701610), (312, 656635), (364, 562830), (365, 561288), (390, 525308), (420, 487786), (438, 467740), (455, 450264), (511, 400920), (514, 398580), (520, 393981), (546, 375220), (584, 350805), (728, 281415), (730, 280644), (771, 265720), (780, 262654), (840, 243893), (876, 233870), (910, 225132), (949, 215880), (1022, 200460), (1028, 199290), (1092, 187610), (1095, 187096), (1285, 159432), (1365, 150088), (1460, 140322), (1533, 133640), (1542, 132860), (1560, 131327), (1752, 116935), (1799, 113880), (1820, 112566), (1898, 107940), (2044, 100230), (2056, 99645), (2184, 93805), (2190, 93548), (2555, 80184), (2570, 79716), (2730, 75044), (2847, 71960), (2920, 70161), (3066, 66820), (3084, 66430), (3341, 61320), (3598, 56940), (3640, 56283), (3796, 53970), (3855, 53144), (4088, 50115), (4380, 46774), (4745, 43176), (5110, 40092), (5140, 39858), (5397, 37960), (5460, 37522), (5694, 35980), (6132, 33410), (6168, 33215), (6643, 30840), (6682, 30660), (7196, 28470), (7592, 26985), (7665, 26728), (7710, 26572), (8760, 23387), (8995, 22776), (9490, 21588), (10023, 20440), (10220, 20046), (10280, 19929), (10794, 18980), (10920, 18761), (11388, 17990), (12264, 16705), (13286, 15420), (13364, 15330), (14235, 14392)]