320213880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4099}}^1$

素因数の和:4154

約数の個数: 192

約数和(自身を含む): 1228032000

約数和(自身を除く): 907818120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4099, 4340, 5208, 5580, 6510, 7812, 8198, 8680, 9765, 11160, 12297, 13020, 15624, 16396, 19530, 20495, 24594, 26040, 28693, 32792, 36891, 39060, 40990, 49188, 57386, 61485, 73782, 78120, 81980, 86079, 98376, 114772, 122970, 127069, 143465, 147564, 163960, 172158, 184455, 229544, 245940, 254138, 258237, 286930, 295128, 344316, 368910, 381207, 430395, 491880, 508276, 516474, 573860, 635345, 688632, 737820, 762414, 860790, 889483, 1016552, 1032948, 1143621, 1147720, 1270690, 1291185, 1475640, 1524828, 1721580, 1778966, 1906035, 2065896, 2287242, 2541380, 2582370, 2668449, 3049656, 3443160, 3557932, 3812070, 4447415, 4574484, 5082760, 5164740, 5336898, 5718105, 7115864, 7624140, 8005347, 8894830, 9148968, 10329480, 10673796, 11436210, 13342245, 15248280, 16010694, 17789660, 21347592, 22872420, 26684490, 32021388, 35579320, 40026735, 45744840, 53368980, 64042776, 80053470, 106737960, 160106940, 320213880]

約数ペア:

[(1, 320213880), (2, 160106940), (3, 106737960), (4, 80053470), (5, 64042776), (6, 53368980), (7, 45744840), (8, 40026735), (9, 35579320), (10, 32021388), (12, 26684490), (14, 22872420), (15, 21347592), (18, 17789660), (20, 16010694), (21, 15248280), (24, 13342245), (28, 11436210), (30, 10673796), (31, 10329480), (35, 9148968), (36, 8894830), (40, 8005347), (42, 7624140), (45, 7115864), (56, 5718105), (60, 5336898), (62, 5164740), (63, 5082760), (70, 4574484), (72, 4447415), (84, 3812070), (90, 3557932), (93, 3443160), (105, 3049656), (120, 2668449), (124, 2582370), (126, 2541380), (140, 2287242), (155, 2065896), (168, 1906035), (180, 1778966), (186, 1721580), (210, 1524828), (217, 1475640), (248, 1291185), (252, 1270690), (279, 1147720), (280, 1143621), (310, 1032948), (315, 1016552), (360, 889483), (372, 860790), (420, 762414), (434, 737820), (465, 688632), (504, 635345), (558, 573860), (620, 516474), (630, 508276), (651, 491880), (744, 430395), (840, 381207), (868, 368910), (930, 344316), (1085, 295128), (1116, 286930), (1240, 258237), (1260, 254138), (1302, 245940), (1395, 229544), (1736, 184455), (1860, 172158), (1953, 163960), (2170, 147564), (2232, 143465), (2520, 127069), (2604, 122970), (2790, 114772), (3255, 98376), (3720, 86079), (3906, 81980), (4099, 78120), (4340, 73782), (5208, 61485), (5580, 57386), (6510, 49188), (7812, 40990), (8198, 39060), (8680, 36891), (9765, 32792), (11160, 28693), (12297, 26040), (13020, 24594), (15624, 20495), (16396, 19530)]