217498320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1274

約数の個数: 240

約数和(自身を含む): 828696960

約数和(自身を除く): 611198640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1223, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2446, 2470, 2736, 2964, 3120, 3420, 3669, 3705, 3952, 4446, 4560, 4680, 4892, 4940, 5928, 6115, 6840, 7338, 7410, 8892, 9360, 9784, 9880, 11007, 11115, 11856, 12230, 13680, 14676, 14820, 15899, 17784, 18345, 19568, 19760, 22014, 22230, 23237, 24460, 29352, 29640, 31798, 35568, 36690, 44028, 44460, 46474, 47697, 48920, 55035, 58704, 59280, 63596, 69711, 73380, 79495, 88056, 88920, 92948, 95394, 97840, 110070, 116185, 127192, 139422, 143091, 146760, 158990, 176112, 177840, 185896, 190788, 209133, 220140, 232370, 238485, 254384, 278844, 286182, 293520, 302081, 317980, 348555, 371792, 381576, 418266, 440280, 464740, 476970, 557688, 572364, 604162, 635960, 697110, 715455, 763152, 836532, 880560, 906243, 929480, 953940, 1045665, 1115376, 1144728, 1208324, 1271920, 1394220, 1430910, 1510405, 1673064, 1812486, 1858960, 1907880, 2091330, 2289456, 2416648, 2718729, 2788440, 2861820, 3020810, 3346128, 3624972, 3815760, 4182660, 4531215, 4833296, 5437458, 5576880, 5723640, 6041620, 7249944, 8365320, 9062430, 10874916, 11447280, 12083240, 13593645, 14499888, 16730640, 18124860, 21749832, 24166480, 27187290, 36249720, 43499664, 54374580, 72499440, 108749160, 217498320]

約数ペア:

[(1, 217498320), (2, 108749160), (3, 72499440), (4, 54374580), (5, 43499664), (6, 36249720), (8, 27187290), (9, 24166480), (10, 21749832), (12, 18124860), (13, 16730640), (15, 14499888), (16, 13593645), (18, 12083240), (19, 11447280), (20, 10874916), (24, 9062430), (26, 8365320), (30, 7249944), (36, 6041620), (38, 5723640), (39, 5576880), (40, 5437458), (45, 4833296), (48, 4531215), (52, 4182660), (57, 3815760), (60, 3624972), (65, 3346128), (72, 3020810), (76, 2861820), (78, 2788440), (80, 2718729), (90, 2416648), (95, 2289456), (104, 2091330), (114, 1907880), (117, 1858960), (120, 1812486), (130, 1673064), (144, 1510405), (152, 1430910), (156, 1394220), (171, 1271920), (180, 1208324), (190, 1144728), (195, 1115376), (208, 1045665), (228, 953940), (234, 929480), (240, 906243), (247, 880560), (260, 836532), (285, 763152), (304, 715455), (312, 697110), (342, 635960), (360, 604162), (380, 572364), (390, 557688), (456, 476970), (468, 464740), (494, 440280), (520, 418266), (570, 381576), (585, 371792), (624, 348555), (684, 317980), (720, 302081), (741, 293520), (760, 286182), (780, 278844), (855, 254384), (912, 238485), (936, 232370), (988, 220140), (1040, 209133), (1140, 190788), (1170, 185896), (1223, 177840), (1235, 176112), (1368, 158990), (1482, 146760), (1520, 143091), (1560, 139422), (1710, 127192), (1872, 116185), (1976, 110070), (2223, 97840), (2280, 95394), (2340, 92948), (2446, 88920), (2470, 88056), (2736, 79495), (2964, 73380), (3120, 69711), (3420, 63596), (3669, 59280), (3705, 58704), (3952, 55035), (4446, 48920), (4560, 47697), (4680, 46474), (4892, 44460), (4940, 44028), (5928, 36690), (6115, 35568), (6840, 31798), (7338, 29640), (7410, 29352), (8892, 24460), (9360, 23237), (9784, 22230), (9880, 22014), (11007, 19760), (11115, 19568), (11856, 18345), (12230, 17784), (13680, 15899), (14676, 14820)]