21600540

素因数分解:

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

素因数の和:229

約数の個数: 192

約数和(自身を含む): 77051520

約数和(自身を除く): 55450980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 170, 180, 181, 195, 204, 221, 234, 255, 260, 270, 306, 340, 351, 362, 390, 442, 459, 468, 510, 540, 543, 585, 612, 663, 702, 724, 765, 780, 884, 905, 918, 1020, 1086, 1105, 1170, 1326, 1404, 1530, 1629, 1755, 1810, 1836, 1989, 2172, 2210, 2295, 2340, 2353, 2652, 2715, 3060, 3077, 3258, 3315, 3510, 3620, 3978, 4420, 4590, 4706, 4887, 5430, 5967, 6154, 6516, 6630, 7020, 7059, 7956, 8145, 9180, 9231, 9412, 9774, 9945, 10860, 11765, 11934, 12308, 13260, 14118, 15385, 16290, 18462, 19548, 19890, 21177, 23530, 23868, 24435, 27693, 28236, 29835, 30770, 32580, 35295, 36924, 39780, 40001, 42354, 46155, 47060, 48870, 55386, 59670, 61540, 63531, 70590, 80002, 83079, 84708, 92310, 97740, 105885, 110772, 119340, 120003, 127062, 138465, 141180, 160004, 166158, 184620, 200005, 211770, 240006, 254124, 276930, 317655, 332316, 360009, 400010, 415395, 423540, 480012, 553860, 600015, 635310, 720018, 800020, 830790, 1080027, 1200030, 1270620, 1440036, 1661580, 1800045, 2160054, 2400060, 3600090, 4320108, 5400135, 7200180, 10800270, 21600540]

約数ペア:

[(1, 21600540), (2, 10800270), (3, 7200180), (4, 5400135), (5, 4320108), (6, 3600090), (9, 2400060), (10, 2160054), (12, 1800045), (13, 1661580), (15, 1440036), (17, 1270620), (18, 1200030), (20, 1080027), (26, 830790), (27, 800020), (30, 720018), (34, 635310), (36, 600015), (39, 553860), (45, 480012), (51, 423540), (52, 415395), (54, 400010), (60, 360009), (65, 332316), (68, 317655), (78, 276930), (85, 254124), (90, 240006), (102, 211770), (108, 200005), (117, 184620), (130, 166158), (135, 160004), (153, 141180), (156, 138465), (170, 127062), (180, 120003), (181, 119340), (195, 110772), (204, 105885), (221, 97740), (234, 92310), (255, 84708), (260, 83079), (270, 80002), (306, 70590), (340, 63531), (351, 61540), (362, 59670), (390, 55386), (442, 48870), (459, 47060), (468, 46155), (510, 42354), (540, 40001), (543, 39780), (585, 36924), (612, 35295), (663, 32580), (702, 30770), (724, 29835), (765, 28236), (780, 27693), (884, 24435), (905, 23868), (918, 23530), (1020, 21177), (1086, 19890), (1105, 19548), (1170, 18462), (1326, 16290), (1404, 15385), (1530, 14118), (1629, 13260), (1755, 12308), (1810, 11934), (1836, 11765), (1989, 10860), (2172, 9945), (2210, 9774), (2295, 9412), (2340, 9231), (2353, 9180), (2652, 8145), (2715, 7956), (3060, 7059), (3077, 7020), (3258, 6630), (3315, 6516), (3510, 6154), (3620, 5967), (3978, 5430), (4420, 4887), (4590, 4706)]