21687600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 240

約数和(自身を含む): 79709184

約数和(自身を除く): 58021584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 31, 33, 40, 44, 48, 50, 53, 55, 60, 62, 66, 75, 80, 88, 93, 100, 106, 110, 120, 124, 132, 150, 155, 159, 165, 176, 186, 200, 212, 220, 240, 248, 264, 265, 275, 300, 310, 318, 330, 341, 372, 400, 424, 440, 465, 496, 528, 530, 550, 583, 600, 620, 636, 660, 682, 744, 775, 795, 825, 848, 880, 930, 1023, 1060, 1100, 1166, 1200, 1240, 1272, 1320, 1325, 1364, 1488, 1550, 1590, 1643, 1650, 1705, 1749, 1860, 2046, 2120, 2200, 2325, 2332, 2480, 2544, 2640, 2650, 2728, 2915, 3100, 3180, 3286, 3300, 3410, 3498, 3720, 3975, 4092, 4240, 4400, 4650, 4664, 4929, 5115, 5300, 5456, 5830, 6200, 6360, 6572, 6600, 6820, 6996, 7440, 7950, 8184, 8215, 8525, 8745, 9300, 9328, 9858, 10230, 10600, 11660, 12400, 12720, 13144, 13200, 13640, 13992, 14575, 15900, 16368, 16430, 17050, 17490, 18073, 18600, 19716, 20460, 21200, 23320, 24645, 25575, 26288, 27280, 27984, 29150, 31800, 32860, 34100, 34980, 36146, 37200, 39432, 40920, 41075, 43725, 46640, 49290, 51150, 54219, 58300, 63600, 65720, 68200, 69960, 72292, 78864, 81840, 82150, 87450, 90365, 98580, 102300, 108438, 116600, 123225, 131440, 136400, 139920, 144584, 164300, 174900, 180730, 197160, 204600, 216876, 233200, 246450, 271095, 289168, 328600, 349800, 361460, 394320, 409200, 433752, 451825, 492900, 542190, 657200, 699600, 722920, 867504, 903650, 985800, 1084380, 1355475, 1445840, 1807300, 1971600, 2168760, 2710950, 3614600, 4337520, 5421900, 7229200, 10843800, 21687600]

約数ペア:

[(1, 21687600), (2, 10843800), (3, 7229200), (4, 5421900), (5, 4337520), (6, 3614600), (8, 2710950), (10, 2168760), (11, 1971600), (12, 1807300), (15, 1445840), (16, 1355475), (20, 1084380), (22, 985800), (24, 903650), (25, 867504), (30, 722920), (31, 699600), (33, 657200), (40, 542190), (44, 492900), (48, 451825), (50, 433752), (53, 409200), (55, 394320), (60, 361460), (62, 349800), (66, 328600), (75, 289168), (80, 271095), (88, 246450), (93, 233200), (100, 216876), (106, 204600), (110, 197160), (120, 180730), (124, 174900), (132, 164300), (150, 144584), (155, 139920), (159, 136400), (165, 131440), (176, 123225), (186, 116600), (200, 108438), (212, 102300), (220, 98580), (240, 90365), (248, 87450), (264, 82150), (265, 81840), (275, 78864), (300, 72292), (310, 69960), (318, 68200), (330, 65720), (341, 63600), (372, 58300), (400, 54219), (424, 51150), (440, 49290), (465, 46640), (496, 43725), (528, 41075), (530, 40920), (550, 39432), (583, 37200), (600, 36146), (620, 34980), (636, 34100), (660, 32860), (682, 31800), (744, 29150), (775, 27984), (795, 27280), (825, 26288), (848, 25575), (880, 24645), (930, 23320), (1023, 21200), (1060, 20460), (1100, 19716), (1166, 18600), (1200, 18073), (1240, 17490), (1272, 17050), (1320, 16430), (1325, 16368), (1364, 15900), (1488, 14575), (1550, 13992), (1590, 13640), (1643, 13200), (1650, 13144), (1705, 12720), (1749, 12400), (1860, 11660), (2046, 10600), (2120, 10230), (2200, 9858), (2325, 9328), (2332, 9300), (2480, 8745), (2544, 8525), (2640, 8215), (2650, 8184), (2728, 7950), (2915, 7440), (3100, 6996), (3180, 6820), (3286, 6600), (3300, 6572), (3410, 6360), (3498, 6200), (3720, 5830), (3975, 5456), (4092, 5300), (4240, 5115), (4400, 4929), (4650, 4664)]