81087300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:299

約数の個数: 216

約数和(自身を含む): 296633792

約数和(自身を除く): 215546492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 61, 63, 70, 75, 84, 90, 100, 105, 122, 126, 140, 150, 175, 180, 183, 210, 211, 225, 244, 252, 300, 305, 315, 350, 366, 420, 422, 427, 450, 525, 549, 610, 630, 633, 700, 732, 844, 854, 900, 915, 1050, 1055, 1098, 1220, 1260, 1266, 1281, 1477, 1525, 1575, 1708, 1830, 1899, 2100, 2110, 2135, 2196, 2532, 2562, 2745, 2954, 3050, 3150, 3165, 3660, 3798, 3843, 4220, 4270, 4431, 4575, 5124, 5275, 5490, 5908, 6100, 6300, 6330, 6405, 7385, 7596, 7686, 8540, 8862, 9150, 9495, 10550, 10675, 10980, 12660, 12810, 12871, 13293, 13725, 14770, 15372, 15825, 17724, 18300, 18990, 19215, 21100, 21350, 22155, 25620, 25742, 26586, 27450, 29540, 31650, 32025, 36925, 37980, 38430, 38613, 42700, 44310, 47475, 51484, 53172, 54900, 63300, 64050, 64355, 66465, 73850, 76860, 77226, 88620, 90097, 94950, 96075, 110775, 115839, 128100, 128710, 132930, 147700, 154452, 180194, 189900, 192150, 193065, 221550, 231678, 257420, 265860, 270291, 321775, 332325, 360388, 384300, 386130, 443100, 450485, 463356, 540582, 579195, 643550, 664650, 772260, 810873, 900970, 965325, 1081164, 1158390, 1287100, 1329300, 1351455, 1621746, 1801940, 1930650, 2252425, 2316780, 2702910, 2895975, 3243492, 3861300, 4054365, 4504850, 5405820, 5791950, 6757275, 8108730, 9009700, 11583900, 13514550, 16217460, 20271825, 27029100, 40543650, 81087300]

約数ペア:

[(1, 81087300), (2, 40543650), (3, 27029100), (4, 20271825), (5, 16217460), (6, 13514550), (7, 11583900), (9, 9009700), (10, 8108730), (12, 6757275), (14, 5791950), (15, 5405820), (18, 4504850), (20, 4054365), (21, 3861300), (25, 3243492), (28, 2895975), (30, 2702910), (35, 2316780), (36, 2252425), (42, 1930650), (45, 1801940), (50, 1621746), (60, 1351455), (61, 1329300), (63, 1287100), (70, 1158390), (75, 1081164), (84, 965325), (90, 900970), (100, 810873), (105, 772260), (122, 664650), (126, 643550), (140, 579195), (150, 540582), (175, 463356), (180, 450485), (183, 443100), (210, 386130), (211, 384300), (225, 360388), (244, 332325), (252, 321775), (300, 270291), (305, 265860), (315, 257420), (350, 231678), (366, 221550), (420, 193065), (422, 192150), (427, 189900), (450, 180194), (525, 154452), (549, 147700), (610, 132930), (630, 128710), (633, 128100), (700, 115839), (732, 110775), (844, 96075), (854, 94950), (900, 90097), (915, 88620), (1050, 77226), (1055, 76860), (1098, 73850), (1220, 66465), (1260, 64355), (1266, 64050), (1281, 63300), (1477, 54900), (1525, 53172), (1575, 51484), (1708, 47475), (1830, 44310), (1899, 42700), (2100, 38613), (2110, 38430), (2135, 37980), (2196, 36925), (2532, 32025), (2562, 31650), (2745, 29540), (2954, 27450), (3050, 26586), (3150, 25742), (3165, 25620), (3660, 22155), (3798, 21350), (3843, 21100), (4220, 19215), (4270, 18990), (4431, 18300), (4575, 17724), (5124, 15825), (5275, 15372), (5490, 14770), (5908, 13725), (6100, 13293), (6300, 12871), (6330, 12810), (6405, 12660), (7385, 10980), (7596, 10675), (7686, 10550), (8540, 9495), (8862, 9150)]