1231393320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:689

約数の個数: 256

約数和(自身を含む): 4339008000

約数和(自身を除く): 3107614680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 89, 90, 92, 108, 115, 120, 135, 138, 178, 180, 184, 207, 216, 230, 267, 270, 276, 345, 356, 360, 414, 445, 460, 534, 540, 552, 557, 621, 690, 712, 801, 828, 890, 920, 1035, 1068, 1080, 1114, 1242, 1335, 1380, 1602, 1656, 1671, 1780, 2047, 2070, 2136, 2228, 2403, 2484, 2670, 2760, 2785, 3105, 3204, 3342, 3560, 4005, 4094, 4140, 4456, 4806, 4968, 5013, 5340, 5570, 6141, 6210, 6408, 6684, 8010, 8188, 8280, 8355, 9612, 10026, 10235, 10680, 11140, 12015, 12282, 12420, 12811, 13368, 15039, 16020, 16376, 16710, 18423, 19224, 20052, 20470, 22280, 24030, 24564, 24840, 25065, 25622, 30078, 30705, 32040, 33420, 36846, 38433, 40104, 40940, 48060, 49128, 49573, 50130, 51244, 55269, 60156, 61410, 64055, 66840, 73692, 75195, 76866, 81880, 92115, 96120, 99146, 100260, 102488, 110538, 115299, 120312, 122820, 128110, 147384, 148719, 150390, 153732, 184230, 192165, 198292, 200520, 221076, 230598, 245640, 247865, 256220, 276345, 297438, 300780, 307464, 345897, 368460, 384330, 396584, 442152, 446157, 461196, 495730, 512440, 552690, 576495, 594876, 601560, 691794, 736920, 743595, 768660, 892314, 922392, 991460, 1105380, 1140179, 1152990, 1189752, 1338471, 1383588, 1487190, 1537320, 1729485, 1784628, 1982920, 2210760, 2230785, 2280358, 2305980, 2676942, 2767176, 2974380, 3420537, 3458970, 3569256, 4461570, 4560716, 4611960, 5353884, 5700895, 5948760, 6692355, 6841074, 6917940, 8923140, 9121432, 10261611, 10707768, 11401790, 13384710, 13682148, 13835880, 17102685, 17846280, 20523222, 22803580, 26769420, 27364296, 30784833, 34205370, 41046444, 45607160, 51308055, 53538840, 61569666, 68410740, 82092888, 102616110, 123139332, 136821480, 153924165, 205232220, 246278664, 307848330, 410464440, 615696660, 1231393320]

約数ペア:

[(1, 1231393320), (2, 615696660), (3, 410464440), (4, 307848330), (5, 246278664), (6, 205232220), (8, 153924165), (9, 136821480), (10, 123139332), (12, 102616110), (15, 82092888), (18, 68410740), (20, 61569666), (23, 53538840), (24, 51308055), (27, 45607160), (30, 41046444), (36, 34205370), (40, 30784833), (45, 27364296), (46, 26769420), (54, 22803580), (60, 20523222), (69, 17846280), (72, 17102685), (89, 13835880), (90, 13682148), (92, 13384710), (108, 11401790), (115, 10707768), (120, 10261611), (135, 9121432), (138, 8923140), (178, 6917940), (180, 6841074), (184, 6692355), (207, 5948760), (216, 5700895), (230, 5353884), (267, 4611960), (270, 4560716), (276, 4461570), (345, 3569256), (356, 3458970), (360, 3420537), (414, 2974380), (445, 2767176), (460, 2676942), (534, 2305980), (540, 2280358), (552, 2230785), (557, 2210760), (621, 1982920), (690, 1784628), (712, 1729485), (801, 1537320), (828, 1487190), (890, 1383588), (920, 1338471), (1035, 1189752), (1068, 1152990), (1080, 1140179), (1114, 1105380), (1242, 991460), (1335, 922392), (1380, 892314), (1602, 768660), (1656, 743595), (1671, 736920), (1780, 691794), (2047, 601560), (2070, 594876), (2136, 576495), (2228, 552690), (2403, 512440), (2484, 495730), (2670, 461196), (2760, 446157), (2785, 442152), (3105, 396584), (3204, 384330), (3342, 368460), (3560, 345897), (4005, 307464), (4094, 300780), (4140, 297438), (4456, 276345), (4806, 256220), (4968, 247865), (5013, 245640), (5340, 230598), (5570, 221076), (6141, 200520), (6210, 198292), (6408, 192165), (6684, 184230), (8010, 153732), (8188, 150390), (8280, 148719), (8355, 147384), (9612, 128110), (10026, 122820), (10235, 120312), (10680, 115299), (11140, 110538), (12015, 102488), (12282, 100260), (12420, 99146), (12811, 96120), (13368, 92115), (15039, 81880), (16020, 76866), (16376, 75195), (16710, 73692), (18423, 66840), (19224, 64055), (20052, 61410), (20470, 60156), (22280, 55269), (24030, 51244), (24564, 50130), (24840, 49573), (25065, 49128), (25622, 48060), (30078, 40940), (30705, 40104), (32040, 38433), (33420, 36846)]