77608980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 248312064

約数和(自身を除く): 170703084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 258, 271, 333, 370, 387, 430, 444, 516, 542, 555, 645, 666, 740, 774, 813, 860, 1084, 1110, 1290, 1332, 1355, 1548, 1591, 1626, 1665, 1935, 2220, 2439, 2580, 2710, 3182, 3252, 3330, 3870, 4065, 4773, 4878, 5420, 6364, 6660, 7740, 7955, 8130, 9546, 9756, 10027, 11653, 12195, 14319, 15910, 16260, 19092, 20054, 23306, 23865, 24390, 28638, 30081, 31820, 34959, 40108, 46612, 47730, 48780, 50135, 57276, 58265, 60162, 69918, 71595, 90243, 95460, 100270, 104877, 116530, 120324, 139836, 143190, 150405, 174795, 180486, 200540, 209754, 233060, 286380, 300810, 349590, 360972, 419508, 431161, 451215, 524385, 601620, 699180, 862322, 902430, 1048770, 1293483, 1724644, 1804860, 2097540, 2155805, 2586966, 3880449, 4311610, 5173932, 6467415, 7760898, 8623220, 12934830, 15521796, 19402245, 25869660, 38804490, 77608980]

約数ペア:

[(1, 77608980), (2, 38804490), (3, 25869660), (4, 19402245), (5, 15521796), (6, 12934830), (9, 8623220), (10, 7760898), (12, 6467415), (15, 5173932), (18, 4311610), (20, 3880449), (30, 2586966), (36, 2155805), (37, 2097540), (43, 1804860), (45, 1724644), (60, 1293483), (74, 1048770), (86, 902430), (90, 862322), (111, 699180), (129, 601620), (148, 524385), (172, 451215), (180, 431161), (185, 419508), (215, 360972), (222, 349590), (258, 300810), (271, 286380), (333, 233060), (370, 209754), (387, 200540), (430, 180486), (444, 174795), (516, 150405), (542, 143190), (555, 139836), (645, 120324), (666, 116530), (740, 104877), (774, 100270), (813, 95460), (860, 90243), (1084, 71595), (1110, 69918), (1290, 60162), (1332, 58265), (1355, 57276), (1548, 50135), (1591, 48780), (1626, 47730), (1665, 46612), (1935, 40108), (2220, 34959), (2439, 31820), (2580, 30081), (2710, 28638), (3182, 24390), (3252, 23865), (3330, 23306), (3870, 20054), (4065, 19092), (4773, 16260), (4878, 15910), (5420, 14319), (6364, 12195), (6660, 11653), (7740, 10027), (7955, 9756), (8130, 9546)]