78281640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 270638280

約数和(自身を除く): 192356640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 653, 666, 740, 810, 888, 999, 1080, 1110, 1306, 1332, 1480, 1620, 1665, 1959, 1998, 2220, 2612, 2664, 2997, 3240, 3265, 3330, 3918, 3996, 4440, 4995, 5224, 5877, 5994, 6530, 6660, 7836, 7992, 9795, 9990, 11754, 11988, 13060, 13320, 14985, 15672, 17631, 19590, 19980, 23508, 23976, 24161, 26120, 29385, 29970, 35262, 39180, 39960, 47016, 48322, 52893, 58770, 59940, 70524, 72483, 78360, 88155, 96644, 105786, 117540, 119880, 120805, 141048, 144966, 176310, 193288, 211572, 217449, 235080, 241610, 264465, 289932, 352620, 362415, 423144, 434898, 483220, 528930, 579864, 652347, 705240, 724830, 869796, 966440, 1057860, 1087245, 1304694, 1449660, 1739592, 1957041, 2115720, 2174490, 2609388, 2899320, 3261735, 3914082, 4348980, 5218776, 6523470, 7828164, 8697960, 9785205, 13046940, 15656328, 19570410, 26093880, 39140820, 78281640]

約数ペア:

[(1, 78281640), (2, 39140820), (3, 26093880), (4, 19570410), (5, 15656328), (6, 13046940), (8, 9785205), (9, 8697960), (10, 7828164), (12, 6523470), (15, 5218776), (18, 4348980), (20, 3914082), (24, 3261735), (27, 2899320), (30, 2609388), (36, 2174490), (37, 2115720), (40, 1957041), (45, 1739592), (54, 1449660), (60, 1304694), (72, 1087245), (74, 1057860), (81, 966440), (90, 869796), (108, 724830), (111, 705240), (120, 652347), (135, 579864), (148, 528930), (162, 483220), (180, 434898), (185, 423144), (216, 362415), (222, 352620), (270, 289932), (296, 264465), (324, 241610), (333, 235080), (360, 217449), (370, 211572), (405, 193288), (444, 176310), (540, 144966), (555, 141048), (648, 120805), (653, 119880), (666, 117540), (740, 105786), (810, 96644), (888, 88155), (999, 78360), (1080, 72483), (1110, 70524), (1306, 59940), (1332, 58770), (1480, 52893), (1620, 48322), (1665, 47016), (1959, 39960), (1998, 39180), (2220, 35262), (2612, 29970), (2664, 29385), (2997, 26120), (3240, 24161), (3265, 23976), (3330, 23508), (3918, 19980), (3996, 19590), (4440, 17631), (4995, 15672), (5224, 14985), (5877, 13320), (5994, 13060), (6530, 11988), (6660, 11754), (7836, 9990), (7992, 9795)]