18576180

素因数分解:

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

素因数の和:686

約数の個数: 144

約数和(自身を含む): 67302144

約数和(自身を除く): 48725964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 641, 644, 690, 805, 828, 966, 1035, 1260, 1282, 1380, 1449, 1610, 1923, 1932, 2070, 2415, 2564, 2898, 3205, 3220, 3846, 4140, 4487, 4830, 5769, 5796, 6410, 7245, 7692, 8974, 9615, 9660, 11538, 12820, 13461, 14490, 14743, 17948, 19230, 22435, 23076, 26922, 28845, 28980, 29486, 38460, 40383, 44229, 44870, 53844, 57690, 58972, 67305, 73715, 80766, 88458, 89740, 103201, 115380, 132687, 134610, 147430, 161532, 176916, 201915, 206402, 221145, 265374, 269220, 294860, 309603, 403830, 412804, 442290, 516005, 530748, 619206, 663435, 807660, 884580, 928809, 1032010, 1238412, 1326870, 1548015, 1857618, 2064020, 2653740, 3096030, 3715236, 4644045, 6192060, 9288090, 18576180]

約数ペア:

[(1, 18576180), (2, 9288090), (3, 6192060), (4, 4644045), (5, 3715236), (6, 3096030), (7, 2653740), (9, 2064020), (10, 1857618), (12, 1548015), (14, 1326870), (15, 1238412), (18, 1032010), (20, 928809), (21, 884580), (23, 807660), (28, 663435), (30, 619206), (35, 530748), (36, 516005), (42, 442290), (45, 412804), (46, 403830), (60, 309603), (63, 294860), (69, 269220), (70, 265374), (84, 221145), (90, 206402), (92, 201915), (105, 176916), (115, 161532), (126, 147430), (138, 134610), (140, 132687), (161, 115380), (180, 103201), (207, 89740), (210, 88458), (230, 80766), (252, 73715), (276, 67305), (315, 58972), (322, 57690), (345, 53844), (414, 44870), (420, 44229), (460, 40383), (483, 38460), (630, 29486), (641, 28980), (644, 28845), (690, 26922), (805, 23076), (828, 22435), (966, 19230), (1035, 17948), (1260, 14743), (1282, 14490), (1380, 13461), (1449, 12820), (1610, 11538), (1923, 9660), (1932, 9615), (2070, 8974), (2415, 7692), (2564, 7245), (2898, 6410), (3205, 5796), (3220, 5769), (3846, 4830), (4140, 4487)]