217758420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1646

約数の個数: 144

約数和(自身を含む): 731203200

約数和(自身を除く): 513444780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 284, 330, 355, 396, 426, 495, 639, 660, 710, 781, 852, 990, 1065, 1278, 1420, 1549, 1562, 1980, 2130, 2343, 2556, 3098, 3124, 3195, 3905, 4260, 4647, 4686, 6196, 6390, 7029, 7745, 7810, 9294, 9372, 11715, 12780, 13941, 14058, 15490, 15620, 17039, 18588, 23235, 23430, 27882, 28116, 30980, 34078, 35145, 46470, 46860, 51117, 55764, 68156, 69705, 70290, 85195, 92940, 102234, 109979, 139410, 140580, 153351, 170390, 204468, 219958, 255585, 278820, 306702, 329937, 340780, 439916, 511170, 549895, 613404, 659874, 766755, 989811, 1022340, 1099790, 1209769, 1319748, 1533510, 1649685, 1979622, 2199580, 2419538, 3067020, 3299370, 3629307, 3959244, 4839076, 4949055, 6048845, 6598740, 7258614, 9898110, 10887921, 12097690, 14517228, 18146535, 19796220, 21775842, 24195380, 36293070, 43551684, 54439605, 72586140, 108879210, 217758420]

約数ペア:

[(1, 217758420), (2, 108879210), (3, 72586140), (4, 54439605), (5, 43551684), (6, 36293070), (9, 24195380), (10, 21775842), (11, 19796220), (12, 18146535), (15, 14517228), (18, 12097690), (20, 10887921), (22, 9898110), (30, 7258614), (33, 6598740), (36, 6048845), (44, 4949055), (45, 4839076), (55, 3959244), (60, 3629307), (66, 3299370), (71, 3067020), (90, 2419538), (99, 2199580), (110, 1979622), (132, 1649685), (142, 1533510), (165, 1319748), (180, 1209769), (198, 1099790), (213, 1022340), (220, 989811), (284, 766755), (330, 659874), (355, 613404), (396, 549895), (426, 511170), (495, 439916), (639, 340780), (660, 329937), (710, 306702), (781, 278820), (852, 255585), (990, 219958), (1065, 204468), (1278, 170390), (1420, 153351), (1549, 140580), (1562, 139410), (1980, 109979), (2130, 102234), (2343, 92940), (2556, 85195), (3098, 70290), (3124, 69705), (3195, 68156), (3905, 55764), (4260, 51117), (4647, 46860), (4686, 46470), (6196, 35145), (6390, 34078), (7029, 30980), (7745, 28116), (7810, 27882), (9294, 23430), (9372, 23235), (11715, 18588), (12780, 17039), (13941, 15620), (14058, 15490)]