82872680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 141076120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 380, 418, 431, 437, 440, 460, 506, 760, 836, 862, 874, 920, 1012, 1045, 1265, 1672, 1724, 1748, 2024, 2090, 2155, 2185, 2530, 3448, 3496, 4180, 4310, 4370, 4741, 4807, 5060, 8189, 8360, 8620, 8740, 9482, 9614, 9913, 10120, 16378, 17240, 17480, 18964, 19228, 19826, 23705, 24035, 32756, 37928, 38456, 39652, 40945, 47410, 48070, 49565, 65512, 79304, 81890, 90079, 94820, 96140, 99130, 109043, 163780, 180158, 188347, 189640, 192280, 198260, 218086, 327560, 360316, 376694, 396520, 436172, 450395, 545215, 720632, 753388, 872344, 900790, 941735, 1090430, 1506776, 1801580, 1883470, 2071817, 2180860, 3603160, 3766940, 4143634, 4361720, 7533880, 8287268, 10359085, 16574536, 20718170, 41436340, 82872680]

約数ペア:

[(1, 82872680), (2, 41436340), (4, 20718170), (5, 16574536), (8, 10359085), (10, 8287268), (11, 7533880), (19, 4361720), (20, 4143634), (22, 3766940), (23, 3603160), (38, 2180860), (40, 2071817), (44, 1883470), (46, 1801580), (55, 1506776), (76, 1090430), (88, 941735), (92, 900790), (95, 872344), (110, 753388), (115, 720632), (152, 545215), (184, 450395), (190, 436172), (209, 396520), (220, 376694), (230, 360316), (253, 327560), (380, 218086), (418, 198260), (431, 192280), (437, 189640), (440, 188347), (460, 180158), (506, 163780), (760, 109043), (836, 99130), (862, 96140), (874, 94820), (920, 90079), (1012, 81890), (1045, 79304), (1265, 65512), (1672, 49565), (1724, 48070), (1748, 47410), (2024, 40945), (2090, 39652), (2155, 38456), (2185, 37928), (2530, 32756), (3448, 24035), (3496, 23705), (4180, 19826), (4310, 19228), (4370, 18964), (4741, 17480), (4807, 17240), (5060, 16378), (8189, 10120), (8360, 9913), (8620, 9614), (8740, 9482)]