217185540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1542

約数の個数: 192

約数和(自身を含む): 756967680

約数和(自身を除く): 539782140

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 102, 110, 130, 132, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 286, 330, 340, 374, 390, 429, 442, 510, 561, 572, 660, 663, 715, 748, 780, 858, 884, 935, 1020, 1105, 1122, 1326, 1430, 1489, 1716, 1870, 2145, 2210, 2244, 2431, 2652, 2805, 2860, 2978, 3315, 3740, 4290, 4420, 4467, 4862, 5610, 5956, 6630, 7293, 7445, 8580, 8934, 9724, 11220, 12155, 13260, 14586, 14890, 16379, 17868, 19357, 22335, 24310, 25313, 29172, 29780, 32758, 36465, 38714, 44670, 48620, 49137, 50626, 58071, 65516, 72930, 75939, 77428, 81895, 89340, 96785, 98274, 101252, 116142, 126565, 145860, 151878, 163790, 193570, 196548, 212927, 232284, 245685, 253130, 278443, 290355, 303756, 327580, 329069, 379695, 387140, 425854, 491370, 506260, 556886, 580710, 638781, 658138, 759390, 835329, 851708, 982740, 987207, 1064635, 1113772, 1161420, 1277562, 1316276, 1392215, 1518780, 1645345, 1670658, 1974414, 2129270, 2555124, 2784430, 3193905, 3290690, 3341316, 3619759, 3948828, 4176645, 4258540, 4936035, 5568860, 6387810, 6581380, 7239518, 8353290, 9872070, 10859277, 12775620, 14479036, 16706580, 18098795, 19744140, 21718554, 36197590, 43437108, 54296385, 72395180, 108592770, 217185540]

約数ペア:

[(1, 217185540), (2, 108592770), (3, 72395180), (4, 54296385), (5, 43437108), (6, 36197590), (10, 21718554), (11, 19744140), (12, 18098795), (13, 16706580), (15, 14479036), (17, 12775620), (20, 10859277), (22, 9872070), (26, 8353290), (30, 7239518), (33, 6581380), (34, 6387810), (39, 5568860), (44, 4936035), (51, 4258540), (52, 4176645), (55, 3948828), (60, 3619759), (65, 3341316), (66, 3290690), (68, 3193905), (78, 2784430), (85, 2555124), (102, 2129270), (110, 1974414), (130, 1670658), (132, 1645345), (143, 1518780), (156, 1392215), (165, 1316276), (170, 1277562), (187, 1161420), (195, 1113772), (204, 1064635), (220, 987207), (221, 982740), (255, 851708), (260, 835329), (286, 759390), (330, 658138), (340, 638781), (374, 580710), (390, 556886), (429, 506260), (442, 491370), (510, 425854), (561, 387140), (572, 379695), (660, 329069), (663, 327580), (715, 303756), (748, 290355), (780, 278443), (858, 253130), (884, 245685), (935, 232284), (1020, 212927), (1105, 196548), (1122, 193570), (1326, 163790), (1430, 151878), (1489, 145860), (1716, 126565), (1870, 116142), (2145, 101252), (2210, 98274), (2244, 96785), (2431, 89340), (2652, 81895), (2805, 77428), (2860, 75939), (2978, 72930), (3315, 65516), (3740, 58071), (4290, 50626), (4420, 49137), (4467, 48620), (4862, 44670), (5610, 38714), (5956, 36465), (6630, 32758), (7293, 29780), (7445, 29172), (8580, 25313), (8934, 24310), (9724, 22335), (11220, 19357), (12155, 17868), (13260, 16379), (14586, 14890)]