19503960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 70917120

約数和(自身を除く): 51413160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 107, 120, 124, 140, 147, 155, 168, 186, 196, 210, 214, 217, 245, 248, 280, 294, 310, 321, 372, 392, 420, 428, 434, 465, 490, 535, 588, 620, 642, 651, 735, 744, 749, 840, 856, 868, 930, 980, 1070, 1085, 1176, 1240, 1284, 1302, 1470, 1498, 1519, 1605, 1736, 1860, 1960, 2140, 2170, 2247, 2568, 2604, 2940, 2996, 3038, 3210, 3255, 3317, 3720, 3745, 4280, 4340, 4494, 4557, 5208, 5243, 5880, 5992, 6076, 6420, 6510, 6634, 7490, 7595, 8680, 8988, 9114, 9951, 10486, 11235, 12152, 12840, 13020, 13268, 14980, 15190, 15729, 16585, 17976, 18228, 19902, 20972, 22470, 22785, 23219, 26040, 26215, 26536, 29960, 30380, 31458, 33170, 36456, 39804, 41944, 44940, 45570, 46438, 49755, 52430, 60760, 62916, 66340, 69657, 78645, 79608, 89880, 91140, 92876, 99510, 104860, 116095, 125832, 132680, 139314, 157290, 162533, 182280, 185752, 199020, 209720, 232190, 278628, 314580, 325066, 348285, 398040, 464380, 487599, 557256, 629160, 650132, 696570, 812665, 928760, 975198, 1300264, 1393140, 1625330, 1950396, 2437995, 2786280, 3250660, 3900792, 4875990, 6501320, 9751980, 19503960]

約数ペア:

[(1, 19503960), (2, 9751980), (3, 6501320), (4, 4875990), (5, 3900792), (6, 3250660), (7, 2786280), (8, 2437995), (10, 1950396), (12, 1625330), (14, 1393140), (15, 1300264), (20, 975198), (21, 928760), (24, 812665), (28, 696570), (30, 650132), (31, 629160), (35, 557256), (40, 487599), (42, 464380), (49, 398040), (56, 348285), (60, 325066), (62, 314580), (70, 278628), (84, 232190), (93, 209720), (98, 199020), (105, 185752), (107, 182280), (120, 162533), (124, 157290), (140, 139314), (147, 132680), (155, 125832), (168, 116095), (186, 104860), (196, 99510), (210, 92876), (214, 91140), (217, 89880), (245, 79608), (248, 78645), (280, 69657), (294, 66340), (310, 62916), (321, 60760), (372, 52430), (392, 49755), (420, 46438), (428, 45570), (434, 44940), (465, 41944), (490, 39804), (535, 36456), (588, 33170), (620, 31458), (642, 30380), (651, 29960), (735, 26536), (744, 26215), (749, 26040), (840, 23219), (856, 22785), (868, 22470), (930, 20972), (980, 19902), (1070, 18228), (1085, 17976), (1176, 16585), (1240, 15729), (1284, 15190), (1302, 14980), (1470, 13268), (1498, 13020), (1519, 12840), (1605, 12152), (1736, 11235), (1860, 10486), (1960, 9951), (2140, 9114), (2170, 8988), (2247, 8680), (2568, 7595), (2604, 7490), (2940, 6634), (2996, 6510), (3038, 6420), (3210, 6076), (3255, 5992), (3317, 5880), (3720, 5243), (3745, 5208), (4280, 4557), (4340, 4494)]