198215640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 764467200

約数和(自身を除く): 566251560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 157, 167, 168, 180, 189, 210, 216, 252, 270, 280, 314, 315, 334, 360, 378, 420, 471, 501, 504, 540, 628, 630, 668, 756, 785, 835, 840, 942, 945, 1002, 1080, 1099, 1169, 1256, 1260, 1336, 1413, 1503, 1512, 1570, 1670, 1884, 1890, 2004, 2198, 2338, 2355, 2505, 2520, 2826, 3006, 3140, 3297, 3340, 3507, 3768, 3780, 4008, 4239, 4396, 4509, 4676, 4710, 5010, 5495, 5652, 5845, 6012, 6280, 6594, 6680, 7014, 7065, 7515, 7560, 8478, 8792, 9018, 9352, 9420, 9891, 10020, 10521, 10990, 11304, 11690, 12024, 13188, 14028, 14130, 15030, 16485, 16956, 17535, 18036, 18840, 19782, 20040, 21042, 21195, 21980, 22545, 23380, 26219, 26376, 28056, 28260, 29673, 30060, 31563, 32970, 33912, 35070, 36072, 39564, 42084, 42390, 43960, 45090, 46760, 49455, 52438, 52605, 56520, 59346, 60120, 63126, 65940, 70140, 78657, 79128, 84168, 84780, 90180, 98910, 104876, 105210, 118692, 126252, 131095, 131880, 140280, 148365, 157314, 157815, 169560, 180360, 183533, 197820, 209752, 210420, 235971, 237384, 252504, 262190, 296730, 314628, 315630, 367066, 393285, 395640, 420840, 471942, 524380, 550599, 593460, 629256, 631260, 707913, 734132, 786570, 917665, 943884, 1048760, 1101198, 1179855, 1186920, 1262520, 1415826, 1468264, 1573140, 1651797, 1835330, 1887768, 2202396, 2359710, 2752995, 2831652, 3146280, 3303594, 3539565, 3670660, 4404792, 4719420, 4955391, 5505990, 5663304, 6607188, 7079130, 7341320, 8258985, 9438840, 9910782, 11011980, 13214376, 14158260, 16517970, 19821564, 22023960, 24776955, 28316520, 33035940, 39643128, 49553910, 66071880, 99107820, 198215640]

約数ペア:

[(1, 198215640), (2, 99107820), (3, 66071880), (4, 49553910), (5, 39643128), (6, 33035940), (7, 28316520), (8, 24776955), (9, 22023960), (10, 19821564), (12, 16517970), (14, 14158260), (15, 13214376), (18, 11011980), (20, 9910782), (21, 9438840), (24, 8258985), (27, 7341320), (28, 7079130), (30, 6607188), (35, 5663304), (36, 5505990), (40, 4955391), (42, 4719420), (45, 4404792), (54, 3670660), (56, 3539565), (60, 3303594), (63, 3146280), (70, 2831652), (72, 2752995), (84, 2359710), (90, 2202396), (105, 1887768), (108, 1835330), (120, 1651797), (126, 1573140), (135, 1468264), (140, 1415826), (157, 1262520), (167, 1186920), (168, 1179855), (180, 1101198), (189, 1048760), (210, 943884), (216, 917665), (252, 786570), (270, 734132), (280, 707913), (314, 631260), (315, 629256), (334, 593460), (360, 550599), (378, 524380), (420, 471942), (471, 420840), (501, 395640), (504, 393285), (540, 367066), (628, 315630), (630, 314628), (668, 296730), (756, 262190), (785, 252504), (835, 237384), (840, 235971), (942, 210420), (945, 209752), (1002, 197820), (1080, 183533), (1099, 180360), (1169, 169560), (1256, 157815), (1260, 157314), (1336, 148365), (1413, 140280), (1503, 131880), (1512, 131095), (1570, 126252), (1670, 118692), (1884, 105210), (1890, 104876), (2004, 98910), (2198, 90180), (2338, 84780), (2355, 84168), (2505, 79128), (2520, 78657), (2826, 70140), (3006, 65940), (3140, 63126), (3297, 60120), (3340, 59346), (3507, 56520), (3768, 52605), (3780, 52438), (4008, 49455), (4239, 46760), (4396, 45090), (4509, 43960), (4676, 42390), (4710, 42084), (5010, 39564), (5495, 36072), (5652, 35070), (5845, 33912), (6012, 32970), (6280, 31563), (6594, 30060), (6680, 29673), (7014, 28260), (7065, 28056), (7515, 26376), (7560, 26219), (8478, 23380), (8792, 22545), (9018, 21980), (9352, 21195), (9420, 21042), (9891, 20040), (10020, 19782), (10521, 18840), (10990, 18036), (11304, 17535), (11690, 16956), (12024, 16485), (13188, 15030), (14028, 14130)]