272940120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 192

約数和(自身を含む): 941840640

約数和(自身を除く): 668900520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 555, 558, 620, 661, 666, 740, 744, 888, 930, 1110, 1116, 1147, 1240, 1322, 1332, 1395, 1480, 1665, 1860, 1983, 2220, 2232, 2294, 2644, 2664, 2790, 3305, 3330, 3441, 3720, 3966, 4440, 4588, 5288, 5580, 5735, 5949, 6610, 6660, 6882, 7932, 9176, 9915, 10323, 11160, 11470, 11898, 13220, 13320, 13764, 15864, 17205, 19830, 20491, 20646, 22940, 23796, 24457, 26440, 27528, 29745, 34410, 39660, 40982, 41292, 45880, 47592, 48914, 51615, 59490, 61473, 68820, 73371, 79320, 81964, 82584, 97828, 102455, 103230, 118980, 122285, 122946, 137640, 146742, 163928, 184419, 195656, 204910, 206460, 220113, 237960, 244570, 245892, 293484, 307365, 366855, 368838, 409820, 412920, 440226, 489140, 491784, 586968, 614730, 733710, 737676, 758167, 819640, 880452, 922095, 978280, 1100565, 1229460, 1467420, 1475352, 1516334, 1760904, 1844190, 2201130, 2274501, 2458920, 2934840, 3032668, 3688380, 3790835, 4402260, 4549002, 6065336, 6823503, 7376760, 7581670, 8804520, 9098004, 11372505, 13647006, 15163340, 18196008, 22745010, 27294012, 30326680, 34117515, 45490020, 54588024, 68235030, 90980040, 136470060, 272940120]

約数ペア:

[(1, 272940120), (2, 136470060), (3, 90980040), (4, 68235030), (5, 54588024), (6, 45490020), (8, 34117515), (9, 30326680), (10, 27294012), (12, 22745010), (15, 18196008), (18, 15163340), (20, 13647006), (24, 11372505), (30, 9098004), (31, 8804520), (36, 7581670), (37, 7376760), (40, 6823503), (45, 6065336), (60, 4549002), (62, 4402260), (72, 3790835), (74, 3688380), (90, 3032668), (93, 2934840), (111, 2458920), (120, 2274501), (124, 2201130), (148, 1844190), (155, 1760904), (180, 1516334), (185, 1475352), (186, 1467420), (222, 1229460), (248, 1100565), (279, 978280), (296, 922095), (310, 880452), (333, 819640), (360, 758167), (370, 737676), (372, 733710), (444, 614730), (465, 586968), (555, 491784), (558, 489140), (620, 440226), (661, 412920), (666, 409820), (740, 368838), (744, 366855), (888, 307365), (930, 293484), (1110, 245892), (1116, 244570), (1147, 237960), (1240, 220113), (1322, 206460), (1332, 204910), (1395, 195656), (1480, 184419), (1665, 163928), (1860, 146742), (1983, 137640), (2220, 122946), (2232, 122285), (2294, 118980), (2644, 103230), (2664, 102455), (2790, 97828), (3305, 82584), (3330, 81964), (3441, 79320), (3720, 73371), (3966, 68820), (4440, 61473), (4588, 59490), (5288, 51615), (5580, 48914), (5735, 47592), (5949, 45880), (6610, 41292), (6660, 40982), (6882, 39660), (7932, 34410), (9176, 29745), (9915, 27528), (10323, 26440), (11160, 24457), (11470, 23796), (11898, 22940), (13220, 20646), (13320, 20491), (13764, 19830), (15864, 17205)]