18051120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 63656640

約数和(自身を除く): 45605520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 108, 120, 122, 135, 137, 144, 180, 183, 216, 240, 244, 270, 274, 305, 360, 366, 411, 432, 488, 540, 548, 549, 610, 685, 720, 732, 822, 915, 976, 1080, 1096, 1098, 1220, 1233, 1370, 1464, 1644, 1647, 1830, 2055, 2160, 2192, 2196, 2440, 2466, 2740, 2745, 2928, 3288, 3294, 3660, 3699, 4110, 4392, 4880, 4932, 5480, 5490, 6165, 6576, 6588, 7320, 7398, 8220, 8235, 8357, 8784, 9864, 10960, 10980, 12330, 13176, 14640, 14796, 16440, 16470, 16714, 18495, 19728, 21960, 24660, 25071, 26352, 29592, 32880, 32940, 33428, 36990, 41785, 43920, 49320, 50142, 59184, 65880, 66856, 73980, 75213, 83570, 98640, 100284, 125355, 131760, 133712, 147960, 150426, 167140, 200568, 225639, 250710, 295920, 300852, 334280, 376065, 401136, 451278, 501420, 601704, 668560, 752130, 902556, 1002840, 1128195, 1203408, 1504260, 1805112, 2005680, 2256390, 3008520, 3610224, 4512780, 6017040, 9025560, 18051120]

約数ペア:

[(1, 18051120), (2, 9025560), (3, 6017040), (4, 4512780), (5, 3610224), (6, 3008520), (8, 2256390), (9, 2005680), (10, 1805112), (12, 1504260), (15, 1203408), (16, 1128195), (18, 1002840), (20, 902556), (24, 752130), (27, 668560), (30, 601704), (36, 501420), (40, 451278), (45, 401136), (48, 376065), (54, 334280), (60, 300852), (61, 295920), (72, 250710), (80, 225639), (90, 200568), (108, 167140), (120, 150426), (122, 147960), (135, 133712), (137, 131760), (144, 125355), (180, 100284), (183, 98640), (216, 83570), (240, 75213), (244, 73980), (270, 66856), (274, 65880), (305, 59184), (360, 50142), (366, 49320), (411, 43920), (432, 41785), (488, 36990), (540, 33428), (548, 32940), (549, 32880), (610, 29592), (685, 26352), (720, 25071), (732, 24660), (822, 21960), (915, 19728), (976, 18495), (1080, 16714), (1096, 16470), (1098, 16440), (1220, 14796), (1233, 14640), (1370, 13176), (1464, 12330), (1644, 10980), (1647, 10960), (1830, 9864), (2055, 8784), (2160, 8357), (2192, 8235), (2196, 8220), (2440, 7398), (2466, 7320), (2740, 6588), (2745, 6576), (2928, 6165), (3288, 5490), (3294, 5480), (3660, 4932), (3699, 4880), (4110, 4392)]