213172020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 709632000

約数和(自身を除く): 496459980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 79, 90, 95, 108, 114, 135, 158, 171, 180, 190, 228, 237, 263, 270, 285, 316, 342, 380, 395, 474, 513, 526, 540, 570, 684, 711, 789, 790, 855, 948, 1026, 1052, 1140, 1185, 1315, 1422, 1501, 1578, 1580, 1710, 2052, 2133, 2367, 2370, 2565, 2630, 2844, 3002, 3156, 3420, 3555, 3945, 4266, 4503, 4734, 4740, 4997, 5130, 5260, 6004, 7101, 7110, 7505, 7890, 8532, 9006, 9468, 9994, 10260, 10665, 11835, 13509, 14202, 14220, 14991, 15010, 15780, 18012, 19988, 20777, 21330, 22515, 23670, 24985, 27018, 28404, 29982, 30020, 35505, 40527, 41554, 42660, 44973, 45030, 47340, 49970, 54036, 59964, 62331, 67545, 71010, 74955, 81054, 83108, 89946, 90060, 99940, 103885, 124662, 134919, 135090, 142020, 149910, 162108, 179892, 186993, 202635, 207770, 224865, 249324, 269838, 270180, 299820, 311655, 373986, 394763, 405270, 415540, 449730, 539676, 560979, 623310, 674595, 747972, 789526, 810540, 899460, 934965, 1121958, 1184289, 1246620, 1349190, 1579052, 1869930, 1973815, 2243916, 2368578, 2698380, 2804895, 3552867, 3739860, 3947630, 4737156, 5609790, 5921445, 7105734, 7895260, 10658601, 11219580, 11842890, 14211468, 17764335, 21317202, 23685780, 35528670, 42634404, 53293005, 71057340, 106586010, 213172020]

約数ペア:

[(1, 213172020), (2, 106586010), (3, 71057340), (4, 53293005), (5, 42634404), (6, 35528670), (9, 23685780), (10, 21317202), (12, 17764335), (15, 14211468), (18, 11842890), (19, 11219580), (20, 10658601), (27, 7895260), (30, 7105734), (36, 5921445), (38, 5609790), (45, 4737156), (54, 3947630), (57, 3739860), (60, 3552867), (76, 2804895), (79, 2698380), (90, 2368578), (95, 2243916), (108, 1973815), (114, 1869930), (135, 1579052), (158, 1349190), (171, 1246620), (180, 1184289), (190, 1121958), (228, 934965), (237, 899460), (263, 810540), (270, 789526), (285, 747972), (316, 674595), (342, 623310), (380, 560979), (395, 539676), (474, 449730), (513, 415540), (526, 405270), (540, 394763), (570, 373986), (684, 311655), (711, 299820), (789, 270180), (790, 269838), (855, 249324), (948, 224865), (1026, 207770), (1052, 202635), (1140, 186993), (1185, 179892), (1315, 162108), (1422, 149910), (1501, 142020), (1578, 135090), (1580, 134919), (1710, 124662), (2052, 103885), (2133, 99940), (2367, 90060), (2370, 89946), (2565, 83108), (2630, 81054), (2844, 74955), (3002, 71010), (3156, 67545), (3420, 62331), (3555, 59964), (3945, 54036), (4266, 49970), (4503, 47340), (4734, 45030), (4740, 44973), (4997, 42660), (5130, 41554), (5260, 40527), (6004, 35505), (7101, 30020), (7110, 29982), (7505, 28404), (7890, 27018), (8532, 24985), (9006, 23670), (9468, 22515), (9994, 21330), (10260, 20777), (10665, 19988), (11835, 18012), (13509, 15780), (14202, 15010), (14220, 14991)]