172616580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 541632000

約数和(自身を除く): 369015420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 79, 90, 122, 158, 180, 183, 199, 237, 244, 305, 316, 366, 395, 398, 474, 549, 597, 610, 711, 732, 790, 796, 915, 948, 995, 1098, 1185, 1194, 1220, 1422, 1580, 1791, 1830, 1990, 2196, 2370, 2388, 2745, 2844, 2985, 3555, 3582, 3660, 3980, 4740, 4819, 5490, 5970, 7110, 7164, 8955, 9638, 10980, 11940, 12139, 14220, 14457, 15721, 17910, 19276, 24095, 24278, 28914, 31442, 35820, 36417, 43371, 47163, 48190, 48556, 57828, 60695, 62884, 72285, 72834, 78605, 86742, 94326, 96380, 109251, 121390, 141489, 144570, 145668, 157210, 173484, 182085, 188652, 216855, 218502, 235815, 242780, 282978, 289140, 314420, 364170, 433710, 437004, 471630, 546255, 565956, 707445, 728340, 867420, 943260, 958981, 1092510, 1414890, 1917962, 2185020, 2829780, 2876943, 3835924, 4794905, 5753886, 8630829, 9589810, 11507772, 14384715, 17261658, 19179620, 28769430, 34523316, 43154145, 57538860, 86308290, 172616580]

約数ペア:

[(1, 172616580), (2, 86308290), (3, 57538860), (4, 43154145), (5, 34523316), (6, 28769430), (9, 19179620), (10, 17261658), (12, 14384715), (15, 11507772), (18, 9589810), (20, 8630829), (30, 5753886), (36, 4794905), (45, 3835924), (60, 2876943), (61, 2829780), (79, 2185020), (90, 1917962), (122, 1414890), (158, 1092510), (180, 958981), (183, 943260), (199, 867420), (237, 728340), (244, 707445), (305, 565956), (316, 546255), (366, 471630), (395, 437004), (398, 433710), (474, 364170), (549, 314420), (597, 289140), (610, 282978), (711, 242780), (732, 235815), (790, 218502), (796, 216855), (915, 188652), (948, 182085), (995, 173484), (1098, 157210), (1185, 145668), (1194, 144570), (1220, 141489), (1422, 121390), (1580, 109251), (1791, 96380), (1830, 94326), (1990, 86742), (2196, 78605), (2370, 72834), (2388, 72285), (2745, 62884), (2844, 60695), (2985, 57828), (3555, 48556), (3582, 48190), (3660, 47163), (3980, 43371), (4740, 36417), (4819, 35820), (5490, 31442), (5970, 28914), (7110, 24278), (7164, 24095), (8955, 19276), (9638, 17910), (10980, 15721), (11940, 14457), (12139, 14220)]