121819440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 393564096

約数和(自身を除く): 271744656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 61, 80, 106, 120, 122, 157, 159, 183, 212, 240, 244, 265, 305, 314, 318, 366, 424, 471, 488, 530, 610, 628, 636, 732, 785, 795, 848, 915, 942, 976, 1060, 1220, 1256, 1272, 1464, 1570, 1590, 1830, 1884, 2120, 2355, 2440, 2512, 2544, 2928, 3140, 3180, 3233, 3660, 3768, 4240, 4710, 4880, 6280, 6360, 6466, 7320, 7536, 8321, 9420, 9577, 9699, 12560, 12720, 12932, 14640, 16165, 16642, 18840, 19154, 19398, 24963, 25864, 28731, 32330, 33284, 37680, 38308, 38796, 41605, 47885, 48495, 49926, 51728, 57462, 64660, 66568, 76616, 77592, 83210, 95770, 96990, 99852, 114924, 124815, 129320, 133136, 143655, 153232, 155184, 166420, 191540, 193980, 199704, 229848, 249630, 258640, 287310, 332840, 383080, 387960, 399408, 459696, 499260, 507581, 574620, 665680, 766160, 775920, 998520, 1015162, 1149240, 1522743, 1997040, 2030324, 2298480, 2537905, 3045486, 4060648, 5075810, 6090972, 7613715, 8121296, 10151620, 12181944, 15227430, 20303240, 24363888, 30454860, 40606480, 60909720, 121819440]

約数ペア:

[(1, 121819440), (2, 60909720), (3, 40606480), (4, 30454860), (5, 24363888), (6, 20303240), (8, 15227430), (10, 12181944), (12, 10151620), (15, 8121296), (16, 7613715), (20, 6090972), (24, 5075810), (30, 4060648), (40, 3045486), (48, 2537905), (53, 2298480), (60, 2030324), (61, 1997040), (80, 1522743), (106, 1149240), (120, 1015162), (122, 998520), (157, 775920), (159, 766160), (183, 665680), (212, 574620), (240, 507581), (244, 499260), (265, 459696), (305, 399408), (314, 387960), (318, 383080), (366, 332840), (424, 287310), (471, 258640), (488, 249630), (530, 229848), (610, 199704), (628, 193980), (636, 191540), (732, 166420), (785, 155184), (795, 153232), (848, 143655), (915, 133136), (942, 129320), (976, 124815), (1060, 114924), (1220, 99852), (1256, 96990), (1272, 95770), (1464, 83210), (1570, 77592), (1590, 76616), (1830, 66568), (1884, 64660), (2120, 57462), (2355, 51728), (2440, 49926), (2512, 48495), (2544, 47885), (2928, 41605), (3140, 38796), (3180, 38308), (3233, 37680), (3660, 33284), (3768, 32330), (4240, 28731), (4710, 25864), (4880, 24963), (6280, 19398), (6360, 19154), (6466, 18840), (7320, 16642), (7536, 16165), (8321, 14640), (9420, 12932), (9577, 12720), (9699, 12560)]