217638540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9091}}^1$

素因数の和:9132

約数の個数: 144

約数和(自身を含む): 794277120

約数和(自身を除く): 576638580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 9091, 11970, 18182, 23940, 27273, 36364, 45455, 54546, 63637, 81819, 90910, 109092, 127274, 136365, 163638, 172729, 181820, 190911, 254548, 272730, 318185, 327276, 345458, 381822, 409095, 518187, 545460, 572733, 636370, 690916, 763644, 818190, 863645, 954555, 1036374, 1145466, 1209103, 1272740, 1554561, 1636380, 1727290, 1909110, 2072748, 2290932, 2418206, 2590935, 2863665, 3109122, 3454580, 3627309, 3818220, 4836412, 5181870, 5727330, 6045515, 6218244, 7254618, 7772805, 10363740, 10881927, 11454660, 12091030, 14509236, 15545610, 18136545, 21763854, 24182060, 31091220, 36273090, 43527708, 54409635, 72546180, 108819270, 217638540]

約数ペア:

[(1, 217638540), (2, 108819270), (3, 72546180), (4, 54409635), (5, 43527708), (6, 36273090), (7, 31091220), (9, 24182060), (10, 21763854), (12, 18136545), (14, 15545610), (15, 14509236), (18, 12091030), (19, 11454660), (20, 10881927), (21, 10363740), (28, 7772805), (30, 7254618), (35, 6218244), (36, 6045515), (38, 5727330), (42, 5181870), (45, 4836412), (57, 3818220), (60, 3627309), (63, 3454580), (70, 3109122), (76, 2863665), (84, 2590935), (90, 2418206), (95, 2290932), (105, 2072748), (114, 1909110), (126, 1727290), (133, 1636380), (140, 1554561), (171, 1272740), (180, 1209103), (190, 1145466), (210, 1036374), (228, 954555), (252, 863645), (266, 818190), (285, 763644), (315, 690916), (342, 636370), (380, 572733), (399, 545460), (420, 518187), (532, 409095), (570, 381822), (630, 345458), (665, 327276), (684, 318185), (798, 272730), (855, 254548), (1140, 190911), (1197, 181820), (1260, 172729), (1330, 163638), (1596, 136365), (1710, 127274), (1995, 109092), (2394, 90910), (2660, 81819), (3420, 63637), (3990, 54546), (4788, 45455), (5985, 36364), (7980, 27273), (9091, 23940), (11970, 18182)]