198243720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9661}}^1$

素因数の和:9700

約数の個数: 128

約数和(自身を含む): 695664000

約数和(自身を除く): 497420280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 9661, 10260, 19322, 20520, 28983, 38644, 48305, 57966, 77288, 86949, 96610, 115932, 144915, 173898, 183559, 193220, 231864, 260847, 289830, 347796, 367118, 386440, 434745, 521694, 550677, 579660, 695592, 734236, 869490, 917795, 1043388, 1101354, 1159320, 1304235, 1468472, 1652031, 1738980, 1835590, 2086776, 2202708, 2608470, 2753385, 3304062, 3477960, 3671180, 4405416, 4956093, 5216940, 5506770, 6608124, 7342360, 8260155, 9912186, 10433880, 11013540, 13216248, 16520310, 19824372, 22027080, 24780465, 33040620, 39648744, 49560930, 66081240, 99121860, 198243720]

約数ペア:

[(1, 198243720), (2, 99121860), (3, 66081240), (4, 49560930), (5, 39648744), (6, 33040620), (8, 24780465), (9, 22027080), (10, 19824372), (12, 16520310), (15, 13216248), (18, 11013540), (19, 10433880), (20, 9912186), (24, 8260155), (27, 7342360), (30, 6608124), (36, 5506770), (38, 5216940), (40, 4956093), (45, 4405416), (54, 3671180), (57, 3477960), (60, 3304062), (72, 2753385), (76, 2608470), (90, 2202708), (95, 2086776), (108, 1835590), (114, 1738980), (120, 1652031), (135, 1468472), (152, 1304235), (171, 1159320), (180, 1101354), (190, 1043388), (216, 917795), (228, 869490), (270, 734236), (285, 695592), (342, 579660), (360, 550677), (380, 521694), (456, 434745), (513, 386440), (540, 367118), (570, 347796), (684, 289830), (760, 260847), (855, 231864), (1026, 193220), (1080, 183559), (1140, 173898), (1368, 144915), (1710, 115932), (2052, 96610), (2280, 86949), (2565, 77288), (3420, 57966), (4104, 48305), (5130, 38644), (6840, 28983), (9661, 20520), (10260, 19322)]