7200180

素因数分解:

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

素因数の和:226

約数の個数: 144

約数和(自身を含む): 25041744

約数和(自身を除く): 17841564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 181, 195, 204, 221, 234, 255, 260, 306, 340, 362, 390, 442, 468, 510, 543, 585, 612, 663, 724, 765, 780, 884, 905, 1020, 1086, 1105, 1170, 1326, 1530, 1629, 1810, 1989, 2172, 2210, 2340, 2353, 2652, 2715, 3060, 3077, 3258, 3315, 3620, 3978, 4420, 4706, 5430, 6154, 6516, 6630, 7059, 7956, 8145, 9231, 9412, 9945, 10860, 11765, 12308, 13260, 14118, 15385, 16290, 18462, 19890, 21177, 23530, 27693, 28236, 30770, 32580, 35295, 36924, 39780, 40001, 42354, 46155, 47060, 55386, 61540, 70590, 80002, 84708, 92310, 105885, 110772, 120003, 138465, 141180, 160004, 184620, 200005, 211770, 240006, 276930, 360009, 400010, 423540, 480012, 553860, 600015, 720018, 800020, 1200030, 1440036, 1800045, 2400060, 3600090, 7200180]

約数ペア:

[(1, 7200180), (2, 3600090), (3, 2400060), (4, 1800045), (5, 1440036), (6, 1200030), (9, 800020), (10, 720018), (12, 600015), (13, 553860), (15, 480012), (17, 423540), (18, 400010), (20, 360009), (26, 276930), (30, 240006), (34, 211770), (36, 200005), (39, 184620), (45, 160004), (51, 141180), (52, 138465), (60, 120003), (65, 110772), (68, 105885), (78, 92310), (85, 84708), (90, 80002), (102, 70590), (117, 61540), (130, 55386), (153, 47060), (156, 46155), (170, 42354), (180, 40001), (181, 39780), (195, 36924), (204, 35295), (221, 32580), (234, 30770), (255, 28236), (260, 27693), (306, 23530), (340, 21177), (362, 19890), (390, 18462), (442, 16290), (468, 15385), (510, 14118), (543, 13260), (585, 12308), (612, 11765), (663, 10860), (724, 9945), (765, 9412), (780, 9231), (884, 8145), (905, 7956), (1020, 7059), (1086, 6630), (1105, 6516), (1170, 6154), (1326, 5430), (1530, 4706), (1629, 4420), (1810, 3978), (1989, 3620), (2172, 3315), (2210, 3258), (2340, 3077), (2353, 3060), (2652, 2715)]