218368620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 687566880

約数和(自身を除く): 469198260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 89, 90, 129, 172, 178, 180, 215, 258, 267, 317, 356, 387, 430, 445, 516, 534, 634, 645, 774, 801, 860, 890, 951, 1068, 1268, 1290, 1335, 1548, 1585, 1602, 1780, 1902, 1935, 2580, 2670, 2853, 3170, 3204, 3804, 3827, 3870, 4005, 4755, 5340, 5706, 6340, 7654, 7740, 8010, 9510, 11412, 11481, 13631, 14265, 15308, 16020, 19020, 19135, 22962, 27262, 28213, 28530, 34443, 38270, 40893, 45924, 54524, 56426, 57060, 57405, 68155, 68886, 76540, 81786, 84639, 112852, 114810, 122679, 136310, 137772, 141065, 163572, 169278, 172215, 204465, 229620, 245358, 253917, 272620, 282130, 338556, 344430, 408930, 423195, 490716, 507834, 564260, 613395, 688860, 817860, 846390, 1015668, 1213159, 1226790, 1269585, 1692780, 2426318, 2453580, 2539170, 3639477, 4852636, 5078340, 6065795, 7278954, 10918431, 12131590, 14557908, 18197385, 21836862, 24263180, 36394770, 43673724, 54592155, 72789540, 109184310, 218368620]

約数ペア:

[(1, 218368620), (2, 109184310), (3, 72789540), (4, 54592155), (5, 43673724), (6, 36394770), (9, 24263180), (10, 21836862), (12, 18197385), (15, 14557908), (18, 12131590), (20, 10918431), (30, 7278954), (36, 6065795), (43, 5078340), (45, 4852636), (60, 3639477), (86, 2539170), (89, 2453580), (90, 2426318), (129, 1692780), (172, 1269585), (178, 1226790), (180, 1213159), (215, 1015668), (258, 846390), (267, 817860), (317, 688860), (356, 613395), (387, 564260), (430, 507834), (445, 490716), (516, 423195), (534, 408930), (634, 344430), (645, 338556), (774, 282130), (801, 272620), (860, 253917), (890, 245358), (951, 229620), (1068, 204465), (1268, 172215), (1290, 169278), (1335, 163572), (1548, 141065), (1585, 137772), (1602, 136310), (1780, 122679), (1902, 114810), (1935, 112852), (2580, 84639), (2670, 81786), (2853, 76540), (3170, 68886), (3204, 68155), (3804, 57405), (3827, 57060), (3870, 56426), (4005, 54524), (4755, 45924), (5340, 40893), (5706, 38270), (6340, 34443), (7654, 28530), (7740, 28213), (8010, 27262), (9510, 22962), (11412, 19135), (11481, 19020), (13631, 16020), (14265, 15308)]