1868223420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{971}}^1$

素因数の和:1505

約数の個数: 192

約数和(自身を含む): 6662476800

約数和(自身を除く): 4794253380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 509, 540, 630, 756, 945, 971, 1018, 1260, 1527, 1890, 1942, 2036, 2545, 2913, 3054, 3563, 3780, 3884, 4581, 4855, 5090, 5826, 6108, 6797, 7126, 7635, 8739, 9162, 9710, 10180, 10689, 11652, 13594, 13743, 14252, 14565, 15270, 17478, 17815, 18324, 19420, 20391, 21378, 22905, 26217, 27188, 27486, 29130, 30540, 32067, 33985, 34956, 35630, 40782, 42756, 43695, 45810, 52434, 53445, 54972, 58260, 61173, 64134, 67970, 68715, 71260, 81564, 87390, 91620, 96201, 101955, 104868, 106890, 122346, 128268, 131085, 135940, 137430, 160335, 174780, 183519, 192402, 203910, 213780, 244692, 262170, 274860, 305865, 320670, 367038, 384804, 407820, 481005, 494239, 524340, 611730, 641340, 734076, 917595, 962010, 988478, 1223460, 1482717, 1835190, 1924020, 1976956, 2471195, 2965434, 3459673, 3670380, 4448151, 4942390, 5930868, 6919346, 7413585, 8896302, 9884780, 10379019, 13344453, 13838692, 14827170, 17298365, 17792604, 20758038, 22240755, 26688906, 29654340, 31137057, 34596730, 41516076, 44481510, 51895095, 53377812, 62274114, 66722265, 69193460, 88963020, 93411171, 103790190, 124548228, 133444530, 155685285, 186822342, 207580380, 266889060, 311370570, 373644684, 467055855, 622741140, 934111710, 1868223420]

約数ペア:

[(1, 1868223420), (2, 934111710), (3, 622741140), (4, 467055855), (5, 373644684), (6, 311370570), (7, 266889060), (9, 207580380), (10, 186822342), (12, 155685285), (14, 133444530), (15, 124548228), (18, 103790190), (20, 93411171), (21, 88963020), (27, 69193460), (28, 66722265), (30, 62274114), (35, 53377812), (36, 51895095), (42, 44481510), (45, 41516076), (54, 34596730), (60, 31137057), (63, 29654340), (70, 26688906), (84, 22240755), (90, 20758038), (105, 17792604), (108, 17298365), (126, 14827170), (135, 13838692), (140, 13344453), (180, 10379019), (189, 9884780), (210, 8896302), (252, 7413585), (270, 6919346), (315, 5930868), (378, 4942390), (420, 4448151), (509, 3670380), (540, 3459673), (630, 2965434), (756, 2471195), (945, 1976956), (971, 1924020), (1018, 1835190), (1260, 1482717), (1527, 1223460), (1890, 988478), (1942, 962010), (2036, 917595), (2545, 734076), (2913, 641340), (3054, 611730), (3563, 524340), (3780, 494239), (3884, 481005), (4581, 407820), (4855, 384804), (5090, 367038), (5826, 320670), (6108, 305865), (6797, 274860), (7126, 262170), (7635, 244692), (8739, 213780), (9162, 203910), (9710, 192402), (10180, 183519), (10689, 174780), (11652, 160335), (13594, 137430), (13743, 135940), (14252, 131085), (14565, 128268), (15270, 122346), (17478, 106890), (17815, 104868), (18324, 101955), (19420, 96201), (20391, 91620), (21378, 87390), (22905, 81564), (26217, 71260), (27188, 68715), (27486, 67970), (29130, 64134), (30540, 61173), (32067, 58260), (33985, 54972), (34956, 53445), (35630, 52434), (40782, 45810), (42756, 43695)]