212880240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 240

約数和(自身を含む): 751978656

約数和(自身を除く): 539098416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 61, 72, 74, 80, 90, 111, 120, 122, 131, 144, 148, 180, 183, 185, 222, 240, 244, 262, 296, 305, 333, 360, 366, 370, 393, 444, 488, 524, 549, 555, 592, 610, 655, 666, 720, 732, 740, 786, 888, 915, 976, 1048, 1098, 1110, 1179, 1220, 1310, 1332, 1464, 1480, 1572, 1665, 1776, 1830, 1965, 2096, 2196, 2220, 2257, 2358, 2440, 2620, 2664, 2745, 2928, 2960, 3144, 3330, 3660, 3930, 4392, 4440, 4514, 4716, 4847, 4880, 5240, 5328, 5490, 5895, 6288, 6660, 6771, 7320, 7860, 7991, 8784, 8880, 9028, 9432, 9694, 10480, 10980, 11285, 11790, 13320, 13542, 14541, 14640, 15720, 15982, 18056, 18864, 19388, 20313, 21960, 22570, 23580, 23973, 24235, 26640, 27084, 29082, 31440, 31964, 33855, 36112, 38776, 39955, 40626, 43623, 43920, 45140, 47160, 47946, 48470, 54168, 58164, 63928, 67710, 71919, 72705, 77552, 79910, 81252, 87246, 90280, 94320, 95892, 96940, 101565, 108336, 116328, 119865, 127856, 135420, 143838, 145410, 159820, 162504, 174492, 180560, 191784, 193880, 203130, 218115, 232656, 239730, 270840, 287676, 290820, 295667, 319640, 325008, 348984, 359595, 383568, 387760, 406260, 436230, 479460, 541680, 575352, 581640, 591334, 639280, 697968, 719190, 812520, 872460, 887001, 958920, 1150704, 1163280, 1182668, 1438380, 1478335, 1625040, 1744920, 1774002, 1917840, 2365336, 2661003, 2876760, 2956670, 3489840, 3548004, 4435005, 4730672, 5322006, 5753520, 5913340, 7096008, 8870010, 10644012, 11826680, 13305015, 14192016, 17740020, 21288024, 23653360, 26610030, 35480040, 42576048, 53220060, 70960080, 106440120, 212880240]

約数ペア:

[(1, 212880240), (2, 106440120), (3, 70960080), (4, 53220060), (5, 42576048), (6, 35480040), (8, 26610030), (9, 23653360), (10, 21288024), (12, 17740020), (15, 14192016), (16, 13305015), (18, 11826680), (20, 10644012), (24, 8870010), (30, 7096008), (36, 5913340), (37, 5753520), (40, 5322006), (45, 4730672), (48, 4435005), (60, 3548004), (61, 3489840), (72, 2956670), (74, 2876760), (80, 2661003), (90, 2365336), (111, 1917840), (120, 1774002), (122, 1744920), (131, 1625040), (144, 1478335), (148, 1438380), (180, 1182668), (183, 1163280), (185, 1150704), (222, 958920), (240, 887001), (244, 872460), (262, 812520), (296, 719190), (305, 697968), (333, 639280), (360, 591334), (366, 581640), (370, 575352), (393, 541680), (444, 479460), (488, 436230), (524, 406260), (549, 387760), (555, 383568), (592, 359595), (610, 348984), (655, 325008), (666, 319640), (720, 295667), (732, 290820), (740, 287676), (786, 270840), (888, 239730), (915, 232656), (976, 218115), (1048, 203130), (1098, 193880), (1110, 191784), (1179, 180560), (1220, 174492), (1310, 162504), (1332, 159820), (1464, 145410), (1480, 143838), (1572, 135420), (1665, 127856), (1776, 119865), (1830, 116328), (1965, 108336), (2096, 101565), (2196, 96940), (2220, 95892), (2257, 94320), (2358, 90280), (2440, 87246), (2620, 81252), (2664, 79910), (2745, 77552), (2928, 72705), (2960, 71919), (3144, 67710), (3330, 63928), (3660, 58164), (3930, 54168), (4392, 48470), (4440, 47946), (4514, 47160), (4716, 45140), (4847, 43920), (4880, 43623), (5240, 40626), (5328, 39955), (5490, 38776), (5895, 36112), (6288, 33855), (6660, 31964), (6771, 31440), (7320, 29082), (7860, 27084), (7991, 26640), (8784, 24235), (8880, 23973), (9028, 23580), (9432, 22570), (9694, 21960), (10480, 20313), (10980, 19388), (11285, 18864), (11790, 18056), (13320, 15982), (13542, 15720), (14541, 14640)]