261692040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:439

約数の個数: 128

約数和(自身を含む): 804816000

約数和(自身を除く): 543123960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 107, 120, 178, 214, 229, 267, 321, 356, 428, 445, 458, 534, 535, 642, 687, 712, 856, 890, 916, 1068, 1070, 1145, 1284, 1335, 1374, 1605, 1780, 1832, 2136, 2140, 2290, 2568, 2670, 2748, 3210, 3435, 3560, 4280, 4580, 5340, 5496, 6420, 6870, 9160, 9523, 10680, 12840, 13740, 19046, 20381, 24503, 27480, 28569, 38092, 40762, 47615, 49006, 57138, 61143, 73509, 76184, 81524, 95230, 98012, 101905, 114276, 122286, 122515, 142845, 147018, 163048, 190460, 196024, 203810, 228552, 244572, 245030, 285690, 294036, 305715, 367545, 380920, 407620, 489144, 490060, 571380, 588072, 611430, 735090, 815240, 980120, 1142760, 1222860, 1470180, 2180767, 2445720, 2940360, 4361534, 6542301, 8723068, 10903835, 13084602, 17446136, 21807670, 26169204, 32711505, 43615340, 52338408, 65423010, 87230680, 130846020, 261692040]

約数ペア:

[(1, 261692040), (2, 130846020), (3, 87230680), (4, 65423010), (5, 52338408), (6, 43615340), (8, 32711505), (10, 26169204), (12, 21807670), (15, 17446136), (20, 13084602), (24, 10903835), (30, 8723068), (40, 6542301), (60, 4361534), (89, 2940360), (107, 2445720), (120, 2180767), (178, 1470180), (214, 1222860), (229, 1142760), (267, 980120), (321, 815240), (356, 735090), (428, 611430), (445, 588072), (458, 571380), (534, 490060), (535, 489144), (642, 407620), (687, 380920), (712, 367545), (856, 305715), (890, 294036), (916, 285690), (1068, 245030), (1070, 244572), (1145, 228552), (1284, 203810), (1335, 196024), (1374, 190460), (1605, 163048), (1780, 147018), (1832, 142845), (2136, 122515), (2140, 122286), (2290, 114276), (2568, 101905), (2670, 98012), (2748, 95230), (3210, 81524), (3435, 76184), (3560, 73509), (4280, 61143), (4580, 57138), (5340, 49006), (5496, 47615), (6420, 40762), (6870, 38092), (9160, 28569), (9523, 27480), (10680, 24503), (12840, 20381), (13740, 19046)]