319627980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 288

約数和(自身を含む): 1174118400

約数和(自身を除く): 854490420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 167, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 334, 343, 372, 420, 434, 441, 465, 490, 501, 558, 588, 620, 630, 651, 668, 686, 735, 835, 868, 882, 930, 980, 1002, 1029, 1085, 1116, 1169, 1260, 1302, 1372, 1395, 1470, 1503, 1519, 1670, 1715, 1764, 1860, 1953, 2004, 2058, 2170, 2205, 2338, 2505, 2604, 2790, 2940, 3006, 3038, 3087, 3255, 3340, 3430, 3507, 3906, 4116, 4340, 4410, 4557, 4676, 5010, 5145, 5177, 5580, 5845, 6012, 6076, 6174, 6510, 6860, 7014, 7515, 7595, 7812, 8183, 8820, 9114, 9765, 10020, 10290, 10354, 10521, 10633, 11690, 12348, 13020, 13671, 14028, 15030, 15190, 15435, 15531, 16366, 17535, 18228, 19530, 20580, 20708, 21042, 21266, 22785, 23380, 24549, 25885, 27342, 30060, 30380, 30870, 31062, 31899, 32732, 35070, 36239, 39060, 40915, 42084, 42532, 45570, 46593, 49098, 51770, 52605, 53165, 54684, 57281, 61740, 62124, 63798, 68355, 70140, 72478, 73647, 77655, 81830, 91140, 93186, 95697, 98196, 103540, 105210, 106330, 108717, 114562, 122745, 127596, 136710, 144956, 147294, 155310, 159495, 163660, 171843, 181195, 186372, 191394, 210420, 212660, 217434, 229124, 232965, 245490, 253673, 273420, 286405, 294588, 310620, 318990, 326151, 343686, 362390, 368235, 382788, 434868, 465930, 478485, 490980, 507346, 515529, 543585, 572810, 637980, 652302, 687372, 724780, 736470, 761019, 859215, 931860, 956970, 1014692, 1031058, 1087170, 1145620, 1268365, 1304604, 1472940, 1522038, 1630755, 1718430, 1775711, 1913940, 2062116, 2174340, 2283057, 2536730, 2577645, 3044076, 3261510, 3436860, 3551422, 3805095, 4566114, 5073460, 5155290, 5327133, 6523020, 7102844, 7610190, 8878555, 9132228, 10310580, 10654266, 11415285, 15220380, 15981399, 17757110, 21308532, 22830570, 26635665, 31962798, 35514220, 45661140, 53271330, 63925596, 79906995, 106542660, 159813990, 319627980]

約数ペア:

[(1, 319627980), (2, 159813990), (3, 106542660), (4, 79906995), (5, 63925596), (6, 53271330), (7, 45661140), (9, 35514220), (10, 31962798), (12, 26635665), (14, 22830570), (15, 21308532), (18, 17757110), (20, 15981399), (21, 15220380), (28, 11415285), (30, 10654266), (31, 10310580), (35, 9132228), (36, 8878555), (42, 7610190), (45, 7102844), (49, 6523020), (60, 5327133), (62, 5155290), (63, 5073460), (70, 4566114), (84, 3805095), (90, 3551422), (93, 3436860), (98, 3261510), (105, 3044076), (124, 2577645), (126, 2536730), (140, 2283057), (147, 2174340), (155, 2062116), (167, 1913940), (180, 1775711), (186, 1718430), (196, 1630755), (210, 1522038), (217, 1472940), (245, 1304604), (252, 1268365), (279, 1145620), (294, 1087170), (310, 1031058), (315, 1014692), (334, 956970), (343, 931860), (372, 859215), (420, 761019), (434, 736470), (441, 724780), (465, 687372), (490, 652302), (501, 637980), (558, 572810), (588, 543585), (620, 515529), (630, 507346), (651, 490980), (668, 478485), (686, 465930), (735, 434868), (835, 382788), (868, 368235), (882, 362390), (930, 343686), (980, 326151), (1002, 318990), (1029, 310620), (1085, 294588), (1116, 286405), (1169, 273420), (1260, 253673), (1302, 245490), (1372, 232965), (1395, 229124), (1470, 217434), (1503, 212660), (1519, 210420), (1670, 191394), (1715, 186372), (1764, 181195), (1860, 171843), (1953, 163660), (2004, 159495), (2058, 155310), (2170, 147294), (2205, 144956), (2338, 136710), (2505, 127596), (2604, 122745), (2790, 114562), (2940, 108717), (3006, 106330), (3038, 105210), (3087, 103540), (3255, 98196), (3340, 95697), (3430, 93186), (3507, 91140), (3906, 81830), (4116, 77655), (4340, 73647), (4410, 72478), (4557, 70140), (4676, 68355), (5010, 63798), (5145, 62124), (5177, 61740), (5580, 57281), (5845, 54684), (6012, 53165), (6076, 52605), (6174, 51770), (6510, 49098), (6860, 46593), (7014, 45570), (7515, 42532), (7595, 42084), (7812, 40915), (8183, 39060), (8820, 36239), (9114, 35070), (9765, 32732), (10020, 31899), (10290, 31062), (10354, 30870), (10521, 30380), (10633, 30060), (11690, 27342), (12348, 25885), (13020, 24549), (13671, 23380), (14028, 22785), (15030, 21266), (15190, 21042), (15435, 20708), (15531, 20580), (16366, 19530), (17535, 18228)]