55728540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 192

約数和(自身を含む): 207083520

約数和(自身を除く): 151354980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 180, 189, 207, 210, 230, 252, 270, 276, 315, 322, 345, 378, 414, 420, 460, 483, 540, 621, 630, 641, 644, 690, 756, 805, 828, 945, 966, 1035, 1242, 1260, 1282, 1380, 1449, 1610, 1890, 1923, 1932, 2070, 2415, 2484, 2564, 2898, 3105, 3205, 3220, 3780, 3846, 4140, 4347, 4487, 4830, 5769, 5796, 6210, 6410, 7245, 7692, 8694, 8974, 9615, 9660, 11538, 12420, 12820, 13461, 14490, 14743, 17307, 17388, 17948, 19230, 21735, 22435, 23076, 26922, 28845, 28980, 29486, 34614, 38460, 40383, 43470, 44229, 44870, 53844, 57690, 58972, 67305, 69228, 73715, 80766, 86535, 86940, 88458, 89740, 103201, 115380, 121149, 132687, 134610, 147430, 161532, 173070, 176916, 201915, 206402, 221145, 242298, 265374, 269220, 294860, 309603, 346140, 398061, 403830, 412804, 442290, 484596, 516005, 530748, 605745, 619206, 663435, 796122, 807660, 884580, 928809, 1032010, 1211490, 1238412, 1326870, 1548015, 1592244, 1857618, 1990305, 2064020, 2422980, 2653740, 2786427, 3096030, 3715236, 3980610, 4644045, 5572854, 6192060, 7961220, 9288090, 11145708, 13932135, 18576180, 27864270, 55728540]

約数ペア:

[(1, 55728540), (2, 27864270), (3, 18576180), (4, 13932135), (5, 11145708), (6, 9288090), (7, 7961220), (9, 6192060), (10, 5572854), (12, 4644045), (14, 3980610), (15, 3715236), (18, 3096030), (20, 2786427), (21, 2653740), (23, 2422980), (27, 2064020), (28, 1990305), (30, 1857618), (35, 1592244), (36, 1548015), (42, 1326870), (45, 1238412), (46, 1211490), (54, 1032010), (60, 928809), (63, 884580), (69, 807660), (70, 796122), (84, 663435), (90, 619206), (92, 605745), (105, 530748), (108, 516005), (115, 484596), (126, 442290), (135, 412804), (138, 403830), (140, 398061), (161, 346140), (180, 309603), (189, 294860), (207, 269220), (210, 265374), (230, 242298), (252, 221145), (270, 206402), (276, 201915), (315, 176916), (322, 173070), (345, 161532), (378, 147430), (414, 134610), (420, 132687), (460, 121149), (483, 115380), (540, 103201), (621, 89740), (630, 88458), (641, 86940), (644, 86535), (690, 80766), (756, 73715), (805, 69228), (828, 67305), (945, 58972), (966, 57690), (1035, 53844), (1242, 44870), (1260, 44229), (1282, 43470), (1380, 40383), (1449, 38460), (1610, 34614), (1890, 29486), (1923, 28980), (1932, 28845), (2070, 26922), (2415, 23076), (2484, 22435), (2564, 21735), (2898, 19230), (3105, 17948), (3205, 17388), (3220, 17307), (3780, 14743), (3846, 14490), (4140, 13461), (4347, 12820), (4487, 12420), (4830, 11538), (5769, 9660), (5796, 9615), (6210, 8974), (6410, 8694), (7245, 7692)]