79201980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 288

約数和(自身を含む): 300500928

約数和(自身を除く): 221298948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 17, 18, 20, 22, 26, 30, 33, 34, 36, 39, 44, 45, 51, 52, 55, 60, 65, 66, 68, 78, 85, 90, 99, 102, 110, 117, 130, 132, 143, 153, 156, 165, 170, 180, 181, 187, 195, 198, 204, 220, 221, 234, 255, 260, 286, 306, 330, 340, 362, 374, 390, 396, 429, 442, 468, 495, 510, 543, 561, 572, 585, 612, 660, 663, 715, 724, 748, 765, 780, 858, 884, 905, 935, 990, 1020, 1086, 1105, 1122, 1170, 1287, 1326, 1430, 1530, 1629, 1683, 1716, 1810, 1870, 1980, 1989, 1991, 2145, 2172, 2210, 2244, 2340, 2353, 2431, 2574, 2652, 2715, 2805, 2860, 3060, 3077, 3258, 3315, 3366, 3620, 3740, 3978, 3982, 4290, 4420, 4706, 4862, 5148, 5430, 5610, 5973, 6154, 6435, 6516, 6630, 6732, 7059, 7293, 7956, 7964, 8145, 8415, 8580, 9231, 9412, 9724, 9945, 9955, 10860, 11220, 11765, 11946, 12155, 12308, 12870, 13260, 14118, 14586, 15385, 16290, 16830, 17919, 18462, 19890, 19910, 21177, 21879, 23530, 23892, 24310, 25740, 25883, 27693, 28236, 29172, 29865, 30770, 32580, 33660, 33847, 35295, 35838, 36465, 36924, 39780, 39820, 40001, 42354, 43758, 46155, 47060, 48620, 51766, 55386, 59730, 61540, 67694, 70590, 71676, 72930, 77649, 80002, 84708, 87516, 89595, 92310, 101541, 103532, 105885, 109395, 110772, 119460, 120003, 129415, 135388, 138465, 141180, 145860, 155298, 160004, 169235, 179190, 184620, 200005, 203082, 211770, 218790, 232947, 240006, 258830, 276930, 304623, 310596, 338470, 358380, 360009, 388245, 400010, 406164, 423540, 437580, 440011, 465894, 480012, 507705, 517660, 553860, 600015, 609246, 676940, 720018, 776490, 800020, 880022, 931788, 1015410, 1164735, 1200030, 1218492, 1320033, 1440036, 1523115, 1552980, 1760044, 1800045, 2030820, 2200055, 2329470, 2400060, 2640066, 3046230, 3600090, 3960099, 4400110, 4658940, 5280132, 6092460, 6600165, 7200180, 7920198, 8800220, 13200330, 15840396, 19800495, 26400660, 39600990, 79201980]

約数ペア:

[(1, 79201980), (2, 39600990), (3, 26400660), (4, 19800495), (5, 15840396), (6, 13200330), (9, 8800220), (10, 7920198), (11, 7200180), (12, 6600165), (13, 6092460), (15, 5280132), (17, 4658940), (18, 4400110), (20, 3960099), (22, 3600090), (26, 3046230), (30, 2640066), (33, 2400060), (34, 2329470), (36, 2200055), (39, 2030820), (44, 1800045), (45, 1760044), (51, 1552980), (52, 1523115), (55, 1440036), (60, 1320033), (65, 1218492), (66, 1200030), (68, 1164735), (78, 1015410), (85, 931788), (90, 880022), (99, 800020), (102, 776490), (110, 720018), (117, 676940), (130, 609246), (132, 600015), (143, 553860), (153, 517660), (156, 507705), (165, 480012), (170, 465894), (180, 440011), (181, 437580), (187, 423540), (195, 406164), (198, 400010), (204, 388245), (220, 360009), (221, 358380), (234, 338470), (255, 310596), (260, 304623), (286, 276930), (306, 258830), (330, 240006), (340, 232947), (362, 218790), (374, 211770), (390, 203082), (396, 200005), (429, 184620), (442, 179190), (468, 169235), (495, 160004), (510, 155298), (543, 145860), (561, 141180), (572, 138465), (585, 135388), (612, 129415), (660, 120003), (663, 119460), (715, 110772), (724, 109395), (748, 105885), (765, 103532), (780, 101541), (858, 92310), (884, 89595), (905, 87516), (935, 84708), (990, 80002), (1020, 77649), (1086, 72930), (1105, 71676), (1122, 70590), (1170, 67694), (1287, 61540), (1326, 59730), (1430, 55386), (1530, 51766), (1629, 48620), (1683, 47060), (1716, 46155), (1810, 43758), (1870, 42354), (1980, 40001), (1989, 39820), (1991, 39780), (2145, 36924), (2172, 36465), (2210, 35838), (2244, 35295), (2340, 33847), (2353, 33660), (2431, 32580), (2574, 30770), (2652, 29865), (2715, 29172), (2805, 28236), (2860, 27693), (3060, 25883), (3077, 25740), (3258, 24310), (3315, 23892), (3366, 23530), (3620, 21879), (3740, 21177), (3978, 19910), (3982, 19890), (4290, 18462), (4420, 17919), (4706, 16830), (4862, 16290), (5148, 15385), (5430, 14586), (5610, 14118), (5973, 13260), (6154, 12870), (6435, 12308), (6516, 12155), (6630, 11946), (6732, 11765), (7059, 11220), (7293, 10860), (7956, 9955), (7964, 9945), (8145, 9724), (8415, 9412), (8580, 9231)]