64441620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5869}}^1$

素因数の和:5945

約数の個数: 72

約数和(自身を含む): 198711240

約数和(自身を除く): 134269620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 5869, 10980, 11738, 17607, 23476, 29345, 35214, 52821, 58690, 70428, 88035, 105642, 117380, 176070, 211284, 264105, 352140, 358009, 528210, 716018, 1056420, 1074027, 1432036, 1790045, 2148054, 3222081, 3580090, 4296108, 5370135, 6444162, 7160180, 10740270, 12888324, 16110405, 21480540, 32220810, 64441620]

約数ペア:

[(1, 64441620), (2, 32220810), (3, 21480540), (4, 16110405), (5, 12888324), (6, 10740270), (9, 7160180), (10, 6444162), (12, 5370135), (15, 4296108), (18, 3580090), (20, 3222081), (30, 2148054), (36, 1790045), (45, 1432036), (60, 1074027), (61, 1056420), (90, 716018), (122, 528210), (180, 358009), (183, 352140), (244, 264105), (305, 211284), (366, 176070), (549, 117380), (610, 105642), (732, 88035), (915, 70428), (1098, 58690), (1220, 52821), (1830, 35214), (2196, 29345), (2745, 23476), (3660, 17607), (5490, 11738), (5869, 10980)]