72292320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:905

約数の個数: 144

約数和(自身を含む): 251046432

約数和(自身を除く): 178754112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 823, 915, 976, 1098, 1220, 1440, 1464, 1646, 1830, 1952, 2196, 2440, 2469, 2745, 2928, 3292, 3660, 4115, 4392, 4880, 4938, 5490, 5856, 6584, 7320, 7407, 8230, 8784, 9760, 9876, 10980, 12345, 13168, 14640, 14814, 16460, 17568, 19752, 21960, 24690, 26336, 29280, 29628, 32920, 37035, 39504, 43920, 49380, 50203, 59256, 65840, 74070, 79008, 87840, 98760, 100406, 118512, 131680, 148140, 150609, 197520, 200812, 237024, 251015, 296280, 301218, 395040, 401624, 451827, 502030, 592560, 602436, 753045, 803248, 903654, 1004060, 1185120, 1204872, 1506090, 1606496, 1807308, 2008120, 2259135, 2409744, 3012180, 3614616, 4016240, 4518270, 4819488, 6024360, 7229232, 8032480, 9036540, 12048720, 14458464, 18073080, 24097440, 36146160, 72292320]

約数ペア:

[(1, 72292320), (2, 36146160), (3, 24097440), (4, 18073080), (5, 14458464), (6, 12048720), (8, 9036540), (9, 8032480), (10, 7229232), (12, 6024360), (15, 4819488), (16, 4518270), (18, 4016240), (20, 3614616), (24, 3012180), (30, 2409744), (32, 2259135), (36, 2008120), (40, 1807308), (45, 1606496), (48, 1506090), (60, 1204872), (61, 1185120), (72, 1004060), (80, 903654), (90, 803248), (96, 753045), (120, 602436), (122, 592560), (144, 502030), (160, 451827), (180, 401624), (183, 395040), (240, 301218), (244, 296280), (288, 251015), (305, 237024), (360, 200812), (366, 197520), (480, 150609), (488, 148140), (549, 131680), (610, 118512), (720, 100406), (732, 98760), (823, 87840), (915, 79008), (976, 74070), (1098, 65840), (1220, 59256), (1440, 50203), (1464, 49380), (1646, 43920), (1830, 39504), (1952, 37035), (2196, 32920), (2440, 29628), (2469, 29280), (2745, 26336), (2928, 24690), (3292, 21960), (3660, 19752), (4115, 17568), (4392, 16460), (4880, 14814), (4938, 14640), (5490, 13168), (5856, 12345), (6584, 10980), (7320, 9876), (7407, 9760), (8230, 8784)]