81602040

素因数分解:

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

素因数の和:242

約数の個数: 192

約数和(自身を含む): 281604960

約数和(自身を除く): 200002920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 181, 195, 204, 221, 255, 260, 289, 312, 340, 362, 390, 408, 442, 510, 520, 543, 578, 663, 680, 724, 780, 867, 884, 905, 1020, 1086, 1105, 1156, 1326, 1445, 1448, 1560, 1734, 1768, 1810, 2040, 2172, 2210, 2312, 2353, 2652, 2715, 2890, 3077, 3315, 3468, 3620, 3757, 4335, 4344, 4420, 4706, 5304, 5430, 5780, 6154, 6630, 6936, 7059, 7240, 7514, 8670, 8840, 9231, 9412, 10860, 11271, 11560, 11765, 12308, 13260, 14118, 15028, 15385, 17340, 18462, 18785, 18824, 21720, 22542, 23530, 24616, 26520, 28236, 30056, 30770, 34680, 35295, 36924, 37570, 40001, 45084, 46155, 47060, 52309, 56355, 56472, 61540, 70590, 73848, 75140, 80002, 90168, 92310, 94120, 104618, 112710, 120003, 123080, 141180, 150280, 156927, 160004, 184620, 200005, 209236, 225420, 240006, 261545, 282360, 313854, 320008, 369240, 400010, 418472, 450840, 480012, 523090, 600015, 627708, 680017, 784635, 800020, 960024, 1046180, 1200030, 1255416, 1360034, 1569270, 1600040, 2040051, 2092360, 2400060, 2720068, 3138540, 3400085, 4080102, 4800120, 5440136, 6277080, 6800170, 8160204, 10200255, 13600340, 16320408, 20400510, 27200680, 40801020, 81602040]

約数ペア:

[(1, 81602040), (2, 40801020), (3, 27200680), (4, 20400510), (5, 16320408), (6, 13600340), (8, 10200255), (10, 8160204), (12, 6800170), (13, 6277080), (15, 5440136), (17, 4800120), (20, 4080102), (24, 3400085), (26, 3138540), (30, 2720068), (34, 2400060), (39, 2092360), (40, 2040051), (51, 1600040), (52, 1569270), (60, 1360034), (65, 1255416), (68, 1200030), (78, 1046180), (85, 960024), (102, 800020), (104, 784635), (120, 680017), (130, 627708), (136, 600015), (156, 523090), (170, 480012), (181, 450840), (195, 418472), (204, 400010), (221, 369240), (255, 320008), (260, 313854), (289, 282360), (312, 261545), (340, 240006), (362, 225420), (390, 209236), (408, 200005), (442, 184620), (510, 160004), (520, 156927), (543, 150280), (578, 141180), (663, 123080), (680, 120003), (724, 112710), (780, 104618), (867, 94120), (884, 92310), (905, 90168), (1020, 80002), (1086, 75140), (1105, 73848), (1156, 70590), (1326, 61540), (1445, 56472), (1448, 56355), (1560, 52309), (1734, 47060), (1768, 46155), (1810, 45084), (2040, 40001), (2172, 37570), (2210, 36924), (2312, 35295), (2353, 34680), (2652, 30770), (2715, 30056), (2890, 28236), (3077, 26520), (3315, 24616), (3468, 23530), (3620, 22542), (3757, 21720), (4335, 18824), (4344, 18785), (4420, 18462), (4706, 17340), (5304, 15385), (5430, 15028), (5780, 14118), (6154, 13260), (6630, 12308), (6936, 11765), (7059, 11560), (7240, 11271), (7514, 10860), (8670, 9412), (8840, 9231)]