1728495720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{228637}}^1$

素因数の和:228664

約数の個数: 128

約数和(自身を含む): 6584774400

約数和(自身を除く): 4856278680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 228637, 457274, 685911, 914548, 1143185, 1371822, 1600459, 1829096, 2057733, 2286370, 2743644, 3200918, 3429555, 4115466, 4572740, 4801377, 5487288, 6173199, 6401836, 6859110, 8002295, 8230932, 9145480, 9602754, 10288665, 12346398, 12803672, 13718220, 14404131, 16004590, 16461864, 19205508, 20577330, 24006885, 24692796, 27436440, 28808262, 30865995, 32009180, 38411016, 41154660, 43212393, 48013770, 49385592, 57616524, 61731990, 64018360, 72020655, 82309320, 86424786, 96027540, 115233048, 123463980, 144041310, 172849572, 192055080, 216061965, 246927960, 288082620, 345699144, 432123930, 576165240, 864247860, 1728495720]

約数ペア:

[(1, 1728495720), (2, 864247860), (3, 576165240), (4, 432123930), (5, 345699144), (6, 288082620), (7, 246927960), (8, 216061965), (9, 192055080), (10, 172849572), (12, 144041310), (14, 123463980), (15, 115233048), (18, 96027540), (20, 86424786), (21, 82309320), (24, 72020655), (27, 64018360), (28, 61731990), (30, 57616524), (35, 49385592), (36, 48013770), (40, 43212393), (42, 41154660), (45, 38411016), (54, 32009180), (56, 30865995), (60, 28808262), (63, 27436440), (70, 24692796), (72, 24006885), (84, 20577330), (90, 19205508), (105, 16461864), (108, 16004590), (120, 14404131), (126, 13718220), (135, 12803672), (140, 12346398), (168, 10288665), (180, 9602754), (189, 9145480), (210, 8230932), (216, 8002295), (252, 6859110), (270, 6401836), (280, 6173199), (315, 5487288), (360, 4801377), (378, 4572740), (420, 4115466), (504, 3429555), (540, 3200918), (630, 2743644), (756, 2286370), (840, 2057733), (945, 1829096), (1080, 1600459), (1260, 1371822), (1512, 1143185), (1890, 914548), (2520, 685911), (3780, 457274), (7560, 228637)]