261034880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 128

約数和(自身を含む): 658022400

約数和(自身を除く): 396987520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 128, 155, 160, 223, 236, 248, 295, 310, 320, 446, 472, 496, 590, 620, 640, 892, 944, 992, 1115, 1180, 1240, 1784, 1829, 1888, 1984, 2230, 2360, 2480, 3568, 3658, 3776, 3968, 4460, 4720, 4960, 6913, 7136, 7316, 7552, 8920, 9145, 9440, 9920, 13157, 13826, 14272, 14632, 17840, 18290, 18880, 19840, 26314, 27652, 28544, 29264, 34565, 35680, 36580, 37760, 52628, 55304, 58528, 65785, 69130, 71360, 73160, 105256, 110608, 117056, 131570, 138260, 142720, 146320, 210512, 221216, 234112, 263140, 276520, 292640, 407867, 421024, 442432, 526280, 553040, 585280, 815734, 842048, 884864, 1052560, 1106080, 1170560, 1631468, 1684096, 2039335, 2105120, 2212160, 3262936, 4078670, 4210240, 4424320, 6525872, 8157340, 8420480, 13051744, 16314680, 26103488, 32629360, 52206976, 65258720, 130517440, 261034880]

約数ペア:

[(1, 261034880), (2, 130517440), (4, 65258720), (5, 52206976), (8, 32629360), (10, 26103488), (16, 16314680), (20, 13051744), (31, 8420480), (32, 8157340), (40, 6525872), (59, 4424320), (62, 4210240), (64, 4078670), (80, 3262936), (118, 2212160), (124, 2105120), (128, 2039335), (155, 1684096), (160, 1631468), (223, 1170560), (236, 1106080), (248, 1052560), (295, 884864), (310, 842048), (320, 815734), (446, 585280), (472, 553040), (496, 526280), (590, 442432), (620, 421024), (640, 407867), (892, 292640), (944, 276520), (992, 263140), (1115, 234112), (1180, 221216), (1240, 210512), (1784, 146320), (1829, 142720), (1888, 138260), (1984, 131570), (2230, 117056), (2360, 110608), (2480, 105256), (3568, 73160), (3658, 71360), (3776, 69130), (3968, 65785), (4460, 58528), (4720, 55304), (4960, 52628), (6913, 37760), (7136, 36580), (7316, 35680), (7552, 34565), (8920, 29264), (9145, 28544), (9440, 27652), (9920, 26314), (13157, 19840), (13826, 18880), (14272, 18290), (14632, 17840)]