18780300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 216

約数和(自身を含む): 73661952

約数和(自身を除く): 54881652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 271, 275, 300, 308, 315, 330, 350, 385, 396, 420, 450, 462, 495, 525, 542, 550, 630, 660, 693, 700, 770, 813, 825, 900, 924, 990, 1050, 1084, 1100, 1155, 1260, 1355, 1386, 1540, 1575, 1626, 1650, 1897, 1925, 1980, 2100, 2310, 2439, 2475, 2710, 2772, 2981, 3150, 3252, 3300, 3465, 3794, 3850, 4065, 4620, 4878, 4950, 5420, 5691, 5775, 5962, 6300, 6775, 6930, 7588, 7700, 8130, 8943, 9485, 9756, 9900, 11382, 11550, 11924, 12195, 13550, 13860, 14905, 16260, 17073, 17325, 17886, 18970, 20325, 20867, 22764, 23100, 24390, 26829, 27100, 28455, 29810, 34146, 34650, 35772, 37940, 40650, 41734, 44715, 47425, 48780, 53658, 56910, 59620, 60975, 62601, 68292, 69300, 74525, 81300, 83468, 85365, 89430, 94850, 104335, 107316, 113820, 121950, 125202, 134145, 142275, 149050, 170730, 178860, 187803, 189700, 208670, 223575, 243900, 250404, 268290, 284550, 298100, 313005, 341460, 375606, 417340, 426825, 447150, 521675, 536580, 569100, 626010, 670725, 751212, 853650, 894300, 939015, 1043350, 1252020, 1341450, 1565025, 1707300, 1878030, 2086700, 2682900, 3130050, 3756060, 4695075, 6260100, 9390150, 18780300]

約数ペア:

[(1, 18780300), (2, 9390150), (3, 6260100), (4, 4695075), (5, 3756060), (6, 3130050), (7, 2682900), (9, 2086700), (10, 1878030), (11, 1707300), (12, 1565025), (14, 1341450), (15, 1252020), (18, 1043350), (20, 939015), (21, 894300), (22, 853650), (25, 751212), (28, 670725), (30, 626010), (33, 569100), (35, 536580), (36, 521675), (42, 447150), (44, 426825), (45, 417340), (50, 375606), (55, 341460), (60, 313005), (63, 298100), (66, 284550), (70, 268290), (75, 250404), (77, 243900), (84, 223575), (90, 208670), (99, 189700), (100, 187803), (105, 178860), (110, 170730), (126, 149050), (132, 142275), (140, 134145), (150, 125202), (154, 121950), (165, 113820), (175, 107316), (180, 104335), (198, 94850), (210, 89430), (220, 85365), (225, 83468), (231, 81300), (252, 74525), (271, 69300), (275, 68292), (300, 62601), (308, 60975), (315, 59620), (330, 56910), (350, 53658), (385, 48780), (396, 47425), (420, 44715), (450, 41734), (462, 40650), (495, 37940), (525, 35772), (542, 34650), (550, 34146), (630, 29810), (660, 28455), (693, 27100), (700, 26829), (770, 24390), (813, 23100), (825, 22764), (900, 20867), (924, 20325), (990, 18970), (1050, 17886), (1084, 17325), (1100, 17073), (1155, 16260), (1260, 14905), (1355, 13860), (1386, 13550), (1540, 12195), (1575, 11924), (1626, 11550), (1650, 11382), (1897, 9900), (1925, 9756), (1980, 9485), (2100, 8943), (2310, 8130), (2439, 7700), (2475, 7588), (2710, 6930), (2772, 6775), (2981, 6300), (3150, 5962), (3252, 5775), (3300, 5691), (3465, 5420), (3794, 4950), (3850, 4878), (4065, 4620)]