64457880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1713

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 151196520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1663, 1938, 2040, 2280, 2584, 3230, 3326, 3876, 4845, 4989, 6460, 6652, 7752, 8315, 9690, 9978, 12920, 13304, 16630, 19380, 19956, 24945, 28271, 31597, 33260, 38760, 39912, 49890, 56542, 63194, 66520, 84813, 94791, 99780, 113084, 126388, 141355, 157985, 169626, 189582, 199560, 226168, 252776, 282710, 315970, 339252, 379164, 424065, 473955, 537149, 565420, 631940, 678504, 758328, 848130, 947910, 1074298, 1130840, 1263880, 1611447, 1696260, 1895820, 2148596, 2685745, 3222894, 3392520, 3791640, 4297192, 5371490, 6445788, 8057235, 10742980, 12891576, 16114470, 21485960, 32228940, 64457880]

約数ペア:

[(1, 64457880), (2, 32228940), (3, 21485960), (4, 16114470), (5, 12891576), (6, 10742980), (8, 8057235), (10, 6445788), (12, 5371490), (15, 4297192), (17, 3791640), (19, 3392520), (20, 3222894), (24, 2685745), (30, 2148596), (34, 1895820), (38, 1696260), (40, 1611447), (51, 1263880), (57, 1130840), (60, 1074298), (68, 947910), (76, 848130), (85, 758328), (95, 678504), (102, 631940), (114, 565420), (120, 537149), (136, 473955), (152, 424065), (170, 379164), (190, 339252), (204, 315970), (228, 282710), (255, 252776), (285, 226168), (323, 199560), (340, 189582), (380, 169626), (408, 157985), (456, 141355), (510, 126388), (570, 113084), (646, 99780), (680, 94791), (760, 84813), (969, 66520), (1020, 63194), (1140, 56542), (1292, 49890), (1615, 39912), (1663, 38760), (1938, 33260), (2040, 31597), (2280, 28271), (2584, 24945), (3230, 19956), (3326, 19380), (3876, 16630), (4845, 13304), (4989, 12920), (6460, 9978), (6652, 9690), (7752, 8315)]