81230040

素因数分解:

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

素因数の和:224

約数の個数: 192

約数和(自身を含む): 280294560

約数和(自身を除く): 199064520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 137, 162, 180, 183, 216, 243, 244, 270, 274, 305, 324, 360, 366, 405, 411, 486, 488, 540, 548, 549, 610, 648, 685, 732, 810, 822, 915, 972, 1080, 1096, 1098, 1215, 1220, 1233, 1370, 1464, 1620, 1644, 1647, 1830, 1944, 2055, 2196, 2430, 2440, 2466, 2740, 2745, 3240, 3288, 3294, 3660, 3699, 4110, 4392, 4860, 4932, 4941, 5480, 5490, 6165, 6588, 7320, 7398, 8220, 8235, 8357, 9720, 9864, 9882, 10980, 11097, 12330, 13176, 14796, 14823, 16440, 16470, 16714, 18495, 19764, 21960, 22194, 24660, 24705, 25071, 29592, 29646, 32940, 33291, 33428, 36990, 39528, 41785, 44388, 49320, 49410, 50142, 55485, 59292, 65880, 66582, 66856, 73980, 74115, 75213, 83570, 88776, 98820, 100284, 110970, 118584, 125355, 133164, 147960, 148230, 150426, 166455, 167140, 197640, 200568, 221940, 225639, 250710, 266328, 296460, 300852, 332910, 334280, 376065, 443880, 451278, 501420, 592920, 601704, 665820, 676917, 752130, 902556, 1002840, 1128195, 1331640, 1353834, 1504260, 1805112, 2030751, 2256390, 2707668, 3008520, 3384585, 4061502, 4512780, 5415336, 6769170, 8123004, 9025560, 10153755, 13538340, 16246008, 20307510, 27076680, 40615020, 81230040]

約数ペア:

[(1, 81230040), (2, 40615020), (3, 27076680), (4, 20307510), (5, 16246008), (6, 13538340), (8, 10153755), (9, 9025560), (10, 8123004), (12, 6769170), (15, 5415336), (18, 4512780), (20, 4061502), (24, 3384585), (27, 3008520), (30, 2707668), (36, 2256390), (40, 2030751), (45, 1805112), (54, 1504260), (60, 1353834), (61, 1331640), (72, 1128195), (81, 1002840), (90, 902556), (108, 752130), (120, 676917), (122, 665820), (135, 601704), (137, 592920), (162, 501420), (180, 451278), (183, 443880), (216, 376065), (243, 334280), (244, 332910), (270, 300852), (274, 296460), (305, 266328), (324, 250710), (360, 225639), (366, 221940), (405, 200568), (411, 197640), (486, 167140), (488, 166455), (540, 150426), (548, 148230), (549, 147960), (610, 133164), (648, 125355), (685, 118584), (732, 110970), (810, 100284), (822, 98820), (915, 88776), (972, 83570), (1080, 75213), (1096, 74115), (1098, 73980), (1215, 66856), (1220, 66582), (1233, 65880), (1370, 59292), (1464, 55485), (1620, 50142), (1644, 49410), (1647, 49320), (1830, 44388), (1944, 41785), (2055, 39528), (2196, 36990), (2430, 33428), (2440, 33291), (2466, 32940), (2740, 29646), (2745, 29592), (3240, 25071), (3288, 24705), (3294, 24660), (3660, 22194), (3699, 21960), (4110, 19764), (4392, 18495), (4860, 16714), (4932, 16470), (4941, 16440), (5480, 14823), (5490, 14796), (6165, 13176), (6588, 12330), (7320, 11097), (7398, 10980), (8220, 9882), (8235, 9864), (8357, 9720)]