320132880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 1127967984

約数和(自身を除く): 807835104

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, 144, 148, 180, 183, 185, 197, 222, 240, 244, 296, 305, 333, 360, 366, 370, 394, 444, 488, 549, 555, 591, 592, 610, 666, 720, 732, 740, 788, 888, 915, 976, 985, 1098, 1110, 1182, 1220, 1332, 1464, 1480, 1576, 1665, 1773, 1776, 1830, 1970, 2196, 2220, 2257, 2364, 2440, 2664, 2745, 2928, 2955, 2960, 3152, 3330, 3546, 3660, 3940, 4392, 4440, 4514, 4728, 4880, 5328, 5490, 5910, 6660, 6771, 7092, 7289, 7320, 7880, 8784, 8865, 8880, 9028, 9456, 10980, 11285, 11820, 12017, 13320, 13542, 14184, 14578, 14640, 15760, 17730, 18056, 20313, 21867, 21960, 22570, 23640, 24034, 26640, 27084, 28368, 29156, 33855, 35460, 36051, 36112, 36445, 40626, 43734, 43920, 45140, 47280, 48068, 54168, 58312, 60085, 65601, 67710, 70920, 72102, 72890, 81252, 87468, 90280, 96136, 101565, 108153, 108336, 109335, 116624, 120170, 131202, 135420, 141840, 144204, 145780, 162504, 174936, 180255, 180560, 192272, 203130, 216306, 218670, 240340, 262404, 270840, 288408, 291560, 325008, 328005, 349872, 360510, 406260, 432612, 437340, 444629, 480680, 524808, 540765, 541680, 576816, 583120, 656010, 721020, 812520, 865224, 874680, 889258, 961360, 1049616, 1081530, 1312020, 1333887, 1442040, 1625040, 1730448, 1749360, 1778516, 2163060, 2223145, 2624040, 2667774, 2884080, 3557032, 4001661, 4326120, 4446290, 5248080, 5335548, 6669435, 7114064, 8003322, 8652240, 8892580, 10671096, 13338870, 16006644, 17785160, 20008305, 21342192, 26677740, 32013288, 35570320, 40016610, 53355480, 64026576, 80033220, 106710960, 160066440, 320132880]

約数ペア:

[(1, 320132880), (2, 160066440), (3, 106710960), (4, 80033220), (5, 64026576), (6, 53355480), (8, 40016610), (9, 35570320), (10, 32013288), (12, 26677740), (15, 21342192), (16, 20008305), (18, 17785160), (20, 16006644), (24, 13338870), (30, 10671096), (36, 8892580), (37, 8652240), (40, 8003322), (45, 7114064), (48, 6669435), (60, 5335548), (61, 5248080), (72, 4446290), (74, 4326120), (80, 4001661), (90, 3557032), (111, 2884080), (120, 2667774), (122, 2624040), (144, 2223145), (148, 2163060), (180, 1778516), (183, 1749360), (185, 1730448), (197, 1625040), (222, 1442040), (240, 1333887), (244, 1312020), (296, 1081530), (305, 1049616), (333, 961360), (360, 889258), (366, 874680), (370, 865224), (394, 812520), (444, 721020), (488, 656010), (549, 583120), (555, 576816), (591, 541680), (592, 540765), (610, 524808), (666, 480680), (720, 444629), (732, 437340), (740, 432612), (788, 406260), (888, 360510), (915, 349872), (976, 328005), (985, 325008), (1098, 291560), (1110, 288408), (1182, 270840), (1220, 262404), (1332, 240340), (1464, 218670), (1480, 216306), (1576, 203130), (1665, 192272), (1773, 180560), (1776, 180255), (1830, 174936), (1970, 162504), (2196, 145780), (2220, 144204), (2257, 141840), (2364, 135420), (2440, 131202), (2664, 120170), (2745, 116624), (2928, 109335), (2955, 108336), (2960, 108153), (3152, 101565), (3330, 96136), (3546, 90280), (3660, 87468), (3940, 81252), (4392, 72890), (4440, 72102), (4514, 70920), (4728, 67710), (4880, 65601), (5328, 60085), (5490, 58312), (5910, 54168), (6660, 48068), (6771, 47280), (7092, 45140), (7289, 43920), (7320, 43734), (7880, 40626), (8784, 36445), (8865, 36112), (8880, 36051), (9028, 35460), (9456, 33855), (10980, 29156), (11285, 28368), (11820, 27084), (12017, 26640), (13320, 24034), (13542, 23640), (14184, 22570), (14578, 21960), (14640, 21867), (15760, 20313), (17730, 18056)]