28324080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 240

約数和(自身を含む): 103993344

約数和(自身を除く): 75669264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 47, 48, 54, 60, 62, 72, 80, 81, 90, 93, 94, 108, 120, 124, 135, 141, 144, 155, 162, 180, 186, 188, 216, 235, 240, 243, 248, 270, 279, 282, 310, 324, 360, 372, 376, 405, 423, 432, 465, 470, 486, 496, 540, 558, 564, 620, 648, 705, 720, 744, 752, 810, 837, 846, 930, 940, 972, 1080, 1116, 1128, 1215, 1240, 1269, 1296, 1395, 1410, 1457, 1488, 1620, 1674, 1692, 1860, 1880, 1944, 2115, 2160, 2232, 2256, 2430, 2480, 2511, 2538, 2790, 2820, 2914, 3240, 3348, 3384, 3720, 3760, 3807, 3888, 4185, 4230, 4371, 4464, 4860, 5022, 5076, 5580, 5640, 5828, 6345, 6480, 6696, 6768, 7285, 7440, 7533, 7614, 8370, 8460, 8742, 9720, 10044, 10152, 11160, 11280, 11421, 11656, 12555, 12690, 13113, 13392, 14570, 15066, 15228, 16740, 16920, 17484, 19035, 19440, 20088, 20304, 21855, 22320, 22842, 23312, 25110, 25380, 26226, 29140, 30132, 30456, 33480, 33840, 34968, 37665, 38070, 39339, 40176, 43710, 45684, 50220, 50760, 52452, 57105, 58280, 60264, 60912, 65565, 66960, 69936, 75330, 76140, 78678, 87420, 91368, 100440, 101520, 104904, 114210, 116560, 118017, 120528, 131130, 150660, 152280, 157356, 174840, 182736, 196695, 200880, 209808, 228420, 236034, 262260, 301320, 304560, 314712, 349680, 354051, 393390, 456840, 472068, 524520, 590085, 602640, 629424, 708102, 786780, 913680, 944136, 1049040, 1180170, 1416204, 1573560, 1770255, 1888272, 2360340, 2832408, 3147120, 3540510, 4720680, 5664816, 7081020, 9441360, 14162040, 28324080]

約数ペア:

[(1, 28324080), (2, 14162040), (3, 9441360), (4, 7081020), (5, 5664816), (6, 4720680), (8, 3540510), (9, 3147120), (10, 2832408), (12, 2360340), (15, 1888272), (16, 1770255), (18, 1573560), (20, 1416204), (24, 1180170), (27, 1049040), (30, 944136), (31, 913680), (36, 786780), (40, 708102), (45, 629424), (47, 602640), (48, 590085), (54, 524520), (60, 472068), (62, 456840), (72, 393390), (80, 354051), (81, 349680), (90, 314712), (93, 304560), (94, 301320), (108, 262260), (120, 236034), (124, 228420), (135, 209808), (141, 200880), (144, 196695), (155, 182736), (162, 174840), (180, 157356), (186, 152280), (188, 150660), (216, 131130), (235, 120528), (240, 118017), (243, 116560), (248, 114210), (270, 104904), (279, 101520), (282, 100440), (310, 91368), (324, 87420), (360, 78678), (372, 76140), (376, 75330), (405, 69936), (423, 66960), (432, 65565), (465, 60912), (470, 60264), (486, 58280), (496, 57105), (540, 52452), (558, 50760), (564, 50220), (620, 45684), (648, 43710), (705, 40176), (720, 39339), (744, 38070), (752, 37665), (810, 34968), (837, 33840), (846, 33480), (930, 30456), (940, 30132), (972, 29140), (1080, 26226), (1116, 25380), (1128, 25110), (1215, 23312), (1240, 22842), (1269, 22320), (1296, 21855), (1395, 20304), (1410, 20088), (1457, 19440), (1488, 19035), (1620, 17484), (1674, 16920), (1692, 16740), (1860, 15228), (1880, 15066), (1944, 14570), (2115, 13392), (2160, 13113), (2232, 12690), (2256, 12555), (2430, 11656), (2480, 11421), (2511, 11280), (2538, 11160), (2790, 10152), (2820, 10044), (2914, 9720), (3240, 8742), (3348, 8460), (3384, 8370), (3720, 7614), (3760, 7533), (3807, 7440), (3888, 7285), (4185, 6768), (4230, 6696), (4371, 6480), (4464, 6345), (4860, 5828), (5022, 5640), (5076, 5580)]