128688300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 216

約数和(自身を含む): 460658016

約数和(自身を除く): 331969716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 25, 26, 30, 34, 36, 39, 45, 50, 51, 52, 60, 65, 68, 75, 78, 85, 90, 100, 102, 117, 130, 150, 153, 156, 170, 180, 195, 204, 221, 225, 234, 255, 260, 300, 306, 325, 340, 390, 425, 442, 450, 468, 510, 585, 612, 647, 650, 663, 765, 780, 850, 884, 900, 975, 1020, 1105, 1170, 1275, 1294, 1300, 1326, 1530, 1700, 1941, 1950, 1989, 2210, 2340, 2550, 2588, 2652, 2925, 3060, 3235, 3315, 3825, 3882, 3900, 3978, 4420, 5100, 5525, 5823, 5850, 6470, 6630, 7650, 7764, 7956, 8411, 9705, 9945, 10999, 11050, 11646, 11700, 12940, 13260, 15300, 16175, 16575, 16822, 19410, 19890, 21998, 22100, 23292, 25233, 29115, 32350, 32997, 33150, 33644, 38820, 39780, 42055, 43996, 48525, 49725, 50466, 54995, 58230, 64700, 65994, 66300, 75699, 84110, 97050, 98991, 99450, 100932, 109990, 116460, 126165, 131988, 142987, 145575, 151398, 164985, 168220, 194100, 197982, 198900, 210275, 219980, 252330, 274975, 285974, 291150, 302796, 329970, 378495, 395964, 420550, 428961, 494955, 504660, 549950, 571948, 582300, 630825, 659940, 714935, 756990, 824925, 841100, 857922, 989910, 1099900, 1261650, 1286883, 1429870, 1513980, 1649850, 1715844, 1892475, 1979820, 2144805, 2474775, 2523300, 2573766, 2859740, 3299700, 3574675, 3784950, 4289610, 4949550, 5147532, 6434415, 7149350, 7569900, 8579220, 9899100, 10724025, 12868830, 14298700, 21448050, 25737660, 32172075, 42896100, 64344150, 128688300]

約数ペア:

[(1, 128688300), (2, 64344150), (3, 42896100), (4, 32172075), (5, 25737660), (6, 21448050), (9, 14298700), (10, 12868830), (12, 10724025), (13, 9899100), (15, 8579220), (17, 7569900), (18, 7149350), (20, 6434415), (25, 5147532), (26, 4949550), (30, 4289610), (34, 3784950), (36, 3574675), (39, 3299700), (45, 2859740), (50, 2573766), (51, 2523300), (52, 2474775), (60, 2144805), (65, 1979820), (68, 1892475), (75, 1715844), (78, 1649850), (85, 1513980), (90, 1429870), (100, 1286883), (102, 1261650), (117, 1099900), (130, 989910), (150, 857922), (153, 841100), (156, 824925), (170, 756990), (180, 714935), (195, 659940), (204, 630825), (221, 582300), (225, 571948), (234, 549950), (255, 504660), (260, 494955), (300, 428961), (306, 420550), (325, 395964), (340, 378495), (390, 329970), (425, 302796), (442, 291150), (450, 285974), (468, 274975), (510, 252330), (585, 219980), (612, 210275), (647, 198900), (650, 197982), (663, 194100), (765, 168220), (780, 164985), (850, 151398), (884, 145575), (900, 142987), (975, 131988), (1020, 126165), (1105, 116460), (1170, 109990), (1275, 100932), (1294, 99450), (1300, 98991), (1326, 97050), (1530, 84110), (1700, 75699), (1941, 66300), (1950, 65994), (1989, 64700), (2210, 58230), (2340, 54995), (2550, 50466), (2588, 49725), (2652, 48525), (2925, 43996), (3060, 42055), (3235, 39780), (3315, 38820), (3825, 33644), (3882, 33150), (3900, 32997), (3978, 32350), (4420, 29115), (5100, 25233), (5525, 23292), (5823, 22100), (5850, 21998), (6470, 19890), (6630, 19410), (7650, 16822), (7764, 16575), (7956, 16175), (8411, 15300), (9705, 13260), (9945, 12940), (10999, 11700), (11050, 11646)]