72001800

素因数分解:

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

素因数の和:233

約数の個数: 288

約数和(自身を含む): 277247880

約数和(自身を除く): 205246080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 25, 26, 30, 34, 36, 39, 40, 45, 50, 51, 52, 60, 65, 68, 72, 75, 78, 85, 90, 100, 102, 104, 117, 120, 130, 136, 150, 153, 156, 170, 180, 181, 195, 200, 204, 221, 225, 234, 255, 260, 300, 306, 312, 325, 340, 360, 362, 390, 408, 425, 442, 450, 468, 510, 520, 543, 585, 600, 612, 650, 663, 680, 724, 765, 780, 850, 884, 900, 905, 936, 975, 1020, 1086, 1105, 1170, 1224, 1275, 1300, 1326, 1448, 1530, 1560, 1629, 1700, 1768, 1800, 1810, 1950, 1989, 2040, 2172, 2210, 2340, 2353, 2550, 2600, 2652, 2715, 2925, 3060, 3077, 3258, 3315, 3400, 3620, 3825, 3900, 3978, 4344, 4420, 4525, 4680, 4706, 5100, 5304, 5430, 5525, 5850, 6120, 6154, 6516, 6630, 7059, 7240, 7650, 7800, 7956, 8145, 8840, 9050, 9231, 9412, 9945, 10200, 10860, 11050, 11700, 11765, 12308, 13032, 13260, 13575, 14118, 15300, 15385, 15912, 16290, 16575, 18100, 18462, 18824, 19890, 21177, 21720, 22100, 23400, 23530, 24616, 26520, 27150, 27693, 28236, 30600, 30770, 32580, 33150, 35295, 36200, 36924, 39780, 40001, 40725, 42354, 44200, 46155, 47060, 49725, 54300, 55386, 56472, 58825, 61540, 65160, 66300, 70590, 73848, 76925, 79560, 80002, 81450, 84708, 92310, 94120, 99450, 105885, 108600, 110772, 117650, 120003, 123080, 132600, 138465, 141180, 153850, 160004, 162900, 169416, 176475, 184620, 198900, 200005, 211770, 221544, 230775, 235300, 240006, 276930, 282360, 307700, 320008, 325800, 352950, 360009, 369240, 397800, 400010, 423540, 461550, 470600, 480012, 529425, 553860, 600015, 615400, 692325, 705900, 720018, 800020, 847080, 923100, 960024, 1000025, 1058850, 1107720, 1200030, 1384650, 1411800, 1440036, 1600040, 1800045, 1846200, 2000050, 2117700, 2400060, 2769300, 2880072, 3000075, 3600090, 4000100, 4235400, 4800120, 5538600, 6000150, 7200180, 8000200, 9000225, 12000300, 14400360, 18000450, 24000600, 36000900, 72001800]

約数ペア:

[(1, 72001800), (2, 36000900), (3, 24000600), (4, 18000450), (5, 14400360), (6, 12000300), (8, 9000225), (9, 8000200), (10, 7200180), (12, 6000150), (13, 5538600), (15, 4800120), (17, 4235400), (18, 4000100), (20, 3600090), (24, 3000075), (25, 2880072), (26, 2769300), (30, 2400060), (34, 2117700), (36, 2000050), (39, 1846200), (40, 1800045), (45, 1600040), (50, 1440036), (51, 1411800), (52, 1384650), (60, 1200030), (65, 1107720), (68, 1058850), (72, 1000025), (75, 960024), (78, 923100), (85, 847080), (90, 800020), (100, 720018), (102, 705900), (104, 692325), (117, 615400), (120, 600015), (130, 553860), (136, 529425), (150, 480012), (153, 470600), (156, 461550), (170, 423540), (180, 400010), (181, 397800), (195, 369240), (200, 360009), (204, 352950), (221, 325800), (225, 320008), (234, 307700), (255, 282360), (260, 276930), (300, 240006), (306, 235300), (312, 230775), (325, 221544), (340, 211770), (360, 200005), (362, 198900), (390, 184620), (408, 176475), (425, 169416), (442, 162900), (450, 160004), (468, 153850), (510, 141180), (520, 138465), (543, 132600), (585, 123080), (600, 120003), (612, 117650), (650, 110772), (663, 108600), (680, 105885), (724, 99450), (765, 94120), (780, 92310), (850, 84708), (884, 81450), (900, 80002), (905, 79560), (936, 76925), (975, 73848), (1020, 70590), (1086, 66300), (1105, 65160), (1170, 61540), (1224, 58825), (1275, 56472), (1300, 55386), (1326, 54300), (1448, 49725), (1530, 47060), (1560, 46155), (1629, 44200), (1700, 42354), (1768, 40725), (1800, 40001), (1810, 39780), (1950, 36924), (1989, 36200), (2040, 35295), (2172, 33150), (2210, 32580), (2340, 30770), (2353, 30600), (2550, 28236), (2600, 27693), (2652, 27150), (2715, 26520), (2925, 24616), (3060, 23530), (3077, 23400), (3258, 22100), (3315, 21720), (3400, 21177), (3620, 19890), (3825, 18824), (3900, 18462), (3978, 18100), (4344, 16575), (4420, 16290), (4525, 15912), (4680, 15385), (4706, 15300), (5100, 14118), (5304, 13575), (5430, 13260), (5525, 13032), (5850, 12308), (6120, 11765), (6154, 11700), (6516, 11050), (6630, 10860), (7059, 10200), (7240, 9945), (7650, 9412), (7800, 9231), (7956, 9050), (8145, 8840)]