68338980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 229267584

約数和(自身を除く): 160928604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 971, 1020, 1035, 1173, 1380, 1530, 1564, 1942, 1955, 2070, 2346, 2913, 3060, 3519, 3884, 3910, 4140, 4692, 4855, 5826, 5865, 7038, 7820, 8739, 9710, 11652, 11730, 14076, 14565, 16507, 17478, 17595, 19420, 22333, 23460, 29130, 33014, 34956, 35190, 43695, 44666, 49521, 58260, 66028, 66999, 70380, 82535, 87390, 89332, 99042, 111665, 133998, 148563, 165070, 174780, 198084, 200997, 223330, 247605, 267996, 297126, 330140, 334995, 379661, 401994, 446660, 495210, 594252, 669990, 742815, 759322, 803988, 990420, 1004985, 1138983, 1339980, 1485630, 1518644, 1898305, 2009970, 2277966, 2971260, 3416949, 3796610, 4019940, 4555932, 5694915, 6833898, 7593220, 11389830, 13667796, 17084745, 22779660, 34169490, 68338980]

約数ペア:

[(1, 68338980), (2, 34169490), (3, 22779660), (4, 17084745), (5, 13667796), (6, 11389830), (9, 7593220), (10, 6833898), (12, 5694915), (15, 4555932), (17, 4019940), (18, 3796610), (20, 3416949), (23, 2971260), (30, 2277966), (34, 2009970), (36, 1898305), (45, 1518644), (46, 1485630), (51, 1339980), (60, 1138983), (68, 1004985), (69, 990420), (85, 803988), (90, 759322), (92, 742815), (102, 669990), (115, 594252), (138, 495210), (153, 446660), (170, 401994), (180, 379661), (204, 334995), (207, 330140), (230, 297126), (255, 267996), (276, 247605), (306, 223330), (340, 200997), (345, 198084), (391, 174780), (414, 165070), (460, 148563), (510, 133998), (612, 111665), (690, 99042), (765, 89332), (782, 87390), (828, 82535), (971, 70380), (1020, 66999), (1035, 66028), (1173, 58260), (1380, 49521), (1530, 44666), (1564, 43695), (1942, 35190), (1955, 34956), (2070, 33014), (2346, 29130), (2913, 23460), (3060, 22333), (3519, 19420), (3884, 17595), (3910, 17478), (4140, 16507), (4692, 14565), (4855, 14076), (5826, 11730), (5865, 11652), (7038, 9710), (7820, 8739)]