72390890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 167215104

約数和(自身を除く): 94824214

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 31, 46, 55, 62, 65, 71, 110, 115, 130, 142, 143, 155, 230, 253, 286, 299, 310, 341, 355, 403, 506, 598, 682, 710, 713, 715, 781, 806, 923, 1265, 1426, 1430, 1495, 1562, 1633, 1705, 1846, 2015, 2201, 2530, 2990, 3266, 3289, 3410, 3565, 3905, 4030, 4402, 4433, 4615, 6578, 7130, 7810, 7843, 8165, 8866, 9230, 9269, 10153, 11005, 15686, 16330, 16445, 17963, 18538, 20306, 21229, 22010, 22165, 24211, 28613, 32890, 35926, 39215, 42458, 44330, 46345, 48422, 50623, 50765, 57226, 78430, 89815, 92690, 101246, 101530, 101959, 106145, 121055, 143065, 179630, 203918, 212290, 233519, 242110, 253115, 286130, 314743, 467038, 506230, 509795, 556853, 629486, 658099, 1019590, 1113706, 1167595, 1316198, 1573715, 2335190, 2784265, 3147430, 3290495, 5568530, 6580990, 7239089, 14478178, 36195445, 72390890]

約数ペア:

[(1, 72390890), (2, 36195445), (5, 14478178), (10, 7239089), (11, 6580990), (13, 5568530), (22, 3290495), (23, 3147430), (26, 2784265), (31, 2335190), (46, 1573715), (55, 1316198), (62, 1167595), (65, 1113706), (71, 1019590), (110, 658099), (115, 629486), (130, 556853), (142, 509795), (143, 506230), (155, 467038), (230, 314743), (253, 286130), (286, 253115), (299, 242110), (310, 233519), (341, 212290), (355, 203918), (403, 179630), (506, 143065), (598, 121055), (682, 106145), (710, 101959), (713, 101530), (715, 101246), (781, 92690), (806, 89815), (923, 78430), (1265, 57226), (1426, 50765), (1430, 50623), (1495, 48422), (1562, 46345), (1633, 44330), (1705, 42458), (1846, 39215), (2015, 35926), (2201, 32890), (2530, 28613), (2990, 24211), (3266, 22165), (3289, 22010), (3410, 21229), (3565, 20306), (3905, 18538), (4030, 17963), (4402, 16445), (4433, 16330), (4615, 15686), (6578, 11005), (7130, 10153), (7810, 9269), (7843, 9230), (8165, 8866)]