18403440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6971}}^1$

素因数の和:6998

約数の個数: 80

約数和(自身を含む): 62246016

約数和(自身を除く): 43842576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 6971, 13942, 20913, 27884, 34855, 41826, 55768, 69710, 76681, 83652, 104565, 111536, 139420, 153362, 167304, 209130, 230043, 278840, 306724, 334608, 383405, 418260, 460086, 557680, 613448, 766810, 836520, 920172, 1150215, 1226896, 1533620, 1673040, 1840344, 2300430, 3067240, 3680688, 4600860, 6134480, 9201720, 18403440]

約数ペア:

[(1, 18403440), (2, 9201720), (3, 6134480), (4, 4600860), (5, 3680688), (6, 3067240), (8, 2300430), (10, 1840344), (11, 1673040), (12, 1533620), (15, 1226896), (16, 1150215), (20, 920172), (22, 836520), (24, 766810), (30, 613448), (33, 557680), (40, 460086), (44, 418260), (48, 383405), (55, 334608), (60, 306724), (66, 278840), (80, 230043), (88, 209130), (110, 167304), (120, 153362), (132, 139420), (165, 111536), (176, 104565), (220, 83652), (240, 76681), (264, 69710), (330, 55768), (440, 41826), (528, 34855), (660, 27884), (880, 20913), (1320, 13942), (2640, 6971)]